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Old 10-31-2009, 06:16 PM   #11
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Soooooooooooooo Why don't slugs have shells too?
What's the hump on their back? Breathing apparatus?
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Old 12-15-2009, 11:00 PM   #12
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Soooooooooooooo Why don't slugs have shells too?
What's the hump on their back? Breathing apparatus?
I'm late to this party, missed the thread somehow.

Slugs do have a rudimentary shell, but it's internal. The "hump" is their mantle. I think it provides a little protection to the part of their body where a lot of important organs are located, not sure though. There are holes on each side of the mantle where they respire.

Here are my contributions:
Snails, trails and .............-big-slug.jpg
This (above) is an older shot, not the best, used my first digital camera for this one. This was a BIG slug (for around here anyway), that's an Elm leaf it's on, I think. It was as big around as my thumb almost.
Snails, trails and .............-anguispira-alternata-i-think-dsc_2496-01.jpg
Above, this is a snail I saw last May, Anguispira alternata, I think, but I'm not sure. I waited and waited, but it wouldn't come out of its shell.
Snails, trails and .............-slug-dsc_1528.jpg
The above shot was made at the Indiana National Lakeshore, no idea what species it is. It was maybe 2" long, rather attractive, for a slug.

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Old 12-15-2009, 11:03 PM   #13
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I waited and waited, but it wouldn't come out of its shell.
A little shy, no doubt. I like the second photo very much, jpdenk. It is calendar-worthy, I think.
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Old 12-16-2009, 05:25 PM   #14
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Are those eggs next to that middle one?
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Old 12-17-2009, 01:26 PM   #15
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A little shy, no doubt. I like the second photo very much, jpdenk. It is calendar-worthy, I think.
Thanks, glad you liked it.

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Are those eggs next to that middle one?
I don't think so, snail eggs don't look like that, and I don't think they'd lay them out in the open. I think that's something that came off the surrounding trees, but I can't say what it is, just mystery forest stuff.

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Old 12-17-2009, 01:43 PM   #16
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Ohhhhh. So you have a mystery forest. Or at least a forest with lots of surprises. That's fun.
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Old 12-17-2009, 06:00 PM   #17
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I thought maybe you might have lifted something and found him under it.
Are snail eggs round?
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Old 12-18-2009, 01:59 PM   #18
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I thought maybe you might have lifted something and found him under it.
Are snail eggs round?
I'm not sure exactly what their eggs look like, but if they're like other snail eggs that I've seen, they would either be in a mass of clear gelatinous stuff, or somehow protected from drying out. I think the stuff in my photo is probably old galls of some sort, associated with the tree leaves in the photo.

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Old 12-31-2009, 12:19 PM   #19
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Snails from my pond in July 2009.
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Snails, trails and .............-img_0806.jpg   Snails, trails and .............-img_0807.jpg  
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Old 12-31-2009, 12:36 PM   #20
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And penny bugs! Errrrrrrr water striders....
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