20 
THE YOYAGE OF H.M.S. CHALLENGER. 
adult Stomatopods fall into their proper places, it furnishes very satisfactory proof of 
the relationship between the larvae and their adults. 
Faxon has reared a Squilla empusa from an Alima larva. The Challenger collections 
show that the larva of Lysiosquilla maculata is one of the short-spined Lysioerichthi ; I 
have reared Lysiosquilla ( Coronis ) excavatrix, one of the more primitive Lysiosquillse, 
from a long-spined Lysioerichthus. Claus has figured a series which shows beyond 
question that at least one species of Pseuderichthus becomes a Pseudosquilla, and the 
Challenger collections furnish equally good proof that the Chiragra group of Gonodactyli 
come from Gonerichthus larvae, and- I therefore believe that we may very safely assume 
that all the Lysioerichthus larvae are young Lysiosquillse , all the Alima larvae young 
Squill se, Alimerichthus one of the lower Squillse or Chloridellse, all the Gonerichthi 
young Gonodactyli, Erichthalima very probably a young Coronida, and all the 
P seuderichthi very probably young Pseudosquillse. The evidence for this conclusion can 
be much better estimated after the examination of the special descriptions which follow. 
