MUSEUM OF COMPARATIVE ZOOLOGY. 255 



EXPLANATION OF FIGURES. 



[Plates I. and II. were drawn by Mr. J II Emerton, the others by the author.] 



PLATE I. 



Fig. 1. Colossendeis colossea, from one of the smaller specimens, natural size, from 



the dorsal side. 

 Fig. 2. Colossendeis macerrima, natural si^e, from the dorsal side. 



PLATE IL 



Fig. 3. Scmorhynchus armatus, natural size, from the dorsal side. 

 Fig. 4. The same ; lateral view, with the legs omitted. 



PLATE in. 



Colossendeis colossea, palpus. 

 The same ; accessory leg. 

 The same ; terminal joints of leg. 

 Colossendeis ang%ista ; terminal joints of leg. 

 Colossendeis macerrima ; palpus. 

 The same ; accessory leg. 

 The same ; terminal joints of leg. 



The same ; spines from accessory legs (the serrations are too fine to be in- 

 dicated)- 



Colossendeis angiista ; spines from accessory legs. 

 Nymphon pallenoides ; terminal joints of leg. 



PLATE IV. 



Fig. 15. Pallenopsisforficifer; dorsal view of body. 



Fig. 16. The same ; terminal joints of leg. 



Fig. 17. The same ; lateral view of anterior part of body. 



Fig. 18. The same ; chela of "antenna." 



Fig. 19. Fallenopsis longirostris ; terminal joints of leg. 



Fig. 20. The same ; characteristic spines from ambulatory Ics. 



Fig. 21. The same ; chela of " antenna." 



Fig. 22. The same ; cutting edge of chela. 



