STALK-EYED CRUSTACEA 389 



I. Pylocheles agassizii. 



PylocJieles agassizii . . A. Milne Edwards, Agassiz, 



A. Milne Edwards and 

 Bouvier. 



The carapace is calcified dorsally, becoming less so on 

 the sides, and is membranous below. The gastric region 

 is limited anteriorly by a groove bowed in front. The 

 eyes are broad and flattened anteriorly. The abdomen 

 has short hairs. The external face and edges of the hands 

 have hairs and fine granulations ; the fingers are large 

 and flat ; the legs of the second and third pair are com- 

 pressed, smooth, and hairy ; the two last pairs are not 

 cheliform. 



Range. — Barbados, Santa Cruz, 



Group V. Galatheidea. 



Galatheidea , . , . Henderson. 

 GalatJieidce .... Boas. 



Carapace well developed ; the frontal region prominent, 

 provided with a median rostrum, and frequently lateral 

 processes. Eye -stalks short and stout. Antenna! 

 peduncle composed of four segments (the second and 

 third having fused) ; the flagellum long and slender. First 

 pair of legs elongated, and not markedly asymmetrical ; 

 the first three pairs of walking limbs well developed, the 

 ultimate pair slender and inflexed, frequently chelate. 

 Thoracic sterna broad. Abdomen symmetrical, com- 

 posed of seven segments, of which the first is usually 

 concealed by the carapace ; the penultimate segment 

 with a pair of lamellar appendages, which form with 



