Arg... don't have it in my in-box... hang on...
*Rustling sounds*

Ah! OK, I've reread it four times, and these are the only things that jump
out at me.

	A grinding noise echoed through the room, as the creature with
black fur and brown underbelly rubbed his fingers against his teeth and
each other, in a complex, gyrating rhythm.  "<Missing was one of workers
this morning, sir.>"
	The gray one answered.  "<Will search you?  Needed are all workers
now.  Progressing well until now is project.  Find it you must.>"
	The third, dark gray, turned away and emitted a breathy hiss.
"<Sure are you that injured it is?  Escaped is possible for it?>"

How does this spider know the other two consider the sea-creature to be injured?
You might want to add "it's probably injured" ( in spider-speak :) ) to the
first one's line.

	"-The spider-creatures never intended any harm, but were desperate
for help.  Almost three billion years ago, they left our planet fleeing a

Whoa... let's see... using a billion years as a benchmark for evolution of
a technologically advanced society, we have a 4 billion year old planet
here. Wow. Must've been a very volcanically active planet...

And somehow I doubt a species which has spent three billion years in space
needs *slaves* to mine *iron*. Unless it's important to the later plot,
I'd suggest toning it down to a modest couple of thousand years.


									- MW