48 
Guide to Crustacea. 
Table-case on the South Coast of England, and the much larger S. 
N°. 8. mantis (Fig. 29), of which specimens are exhibited from 
the Mediterranean, has been found, very rarely, off the 
coast of Cornwall. Both species are used for food in Mediter- 
ranean countries. 
The Stomatopoda have a prolonged larval development, in the 
Fig. 29. 
Squilla mantis , about one-half natural size. [Table-case No. 8.] 
course of which the larvae assume very striking forms, and often 
attain a large size. They were formerly supposed to be inde- 
pendent species of Crustacea, and received the generic names of 
Erichthus, Alima, etc. The “ species ” Lysioerichthus edwardsii, 
of which a specimen is exhibited, has been found to be the larval 
state of Lysiosquilla glabriuscula. 
