ANNULOSA. 57 



Fam. /. Bopyridse. Bopyrus, Cryptoniscus. 

 Fam. g. Oniscidse. Oniscus (Wood-louse), Ligia, Arma- 

 dillo. 



(Spence Bate and Westwood, History of the British Sessile-eyed Crustacea, 

 vol. ii., 1868.) 



Fig. 52. Isopoda. A, Idotea entomon, enlarged. B, Arctunis longicornis, enlarged, c, 

 Serolis Scythei: a, Antennse ; an, Antennules. (After Gerstsecker, Spence Bate and West- 

 wood, and Liitken.) 



DIVISION B. PODOPHTHALMATA. 



ORDER I. STOMATOPODA or STOMAPODA. 



Fam. a. Squillidae. Squilla (Locust-shrimp, fig. 53), 



Gonodactylus. 



Fam. b. Lophogastridse. Lophogaster. 

 Fam. c. Euphausiidse. Euphausia. 

 Fam. d. Mysidse. Mysis (Opossum-shrimp). 

 Fam. e. Leuciferidse. Leucifer. 



The families Lophogastridce, Euphausiidw, and Mysidce are often regarded 

 as a separate section of the Stalk-eyed Crustaceans, to which the name of 

 Schizopoda is given. The Leuciferida, also, are often looked upon as a 

 family of the Macrurous Decapods. 



