REPORT ON THE STOMATOPODA. 



•2o 



The relation between the metamorphosis of Lysiosquilla and that of Squilla is 

 therefore something like this — 



Lysiosquilla 

 adult. 



I 

 Squillerichthus. 



I 

 Young Alima-hke Erichthus. 



I 

 Erichthoidina. 



I 

 I 



Egg. 



Squilla 



adult. 



Alinia. 



Egg- 



Squilla nepa, Latreille. 



The Challenger collection includes ten specimens of this species : seven of thom, five 

 of which are males and two females, from Pokoska, Japan, captured in the trawl in from 

 5 to 25 fathoms of water ; one male specimen from Kobe, Japan, in 8 to 50 fathoms ; one 

 female specimen from the Eeefs at Honolulu ; and one female specimen taken in the trawl 

 at Station 233b, Inland Sea, Japan; May 26, 1875, lat. 34° 18' N., long. 133° 35' E. ; 

 15 fathoms; bottom, blue mud. 



The tip of the first abdominal appendage of an adult male, Squilla empusa, is 

 shown in PL II. fig. 7 ; and that of Squilla nex)a is almost the same. 



Measurements. 



No. 1, Large male. 



No. 2, Male a little smaller. 



No. 3, Small male. 



No. 4, Smaller male. 

 No. 5, Large female. 



fzOOL. CHALL. EXP. — PART XLV.— 1886.) 



Vy4 



