132 STALK-EYED CRUSTACEA 



Range. — Both sides of the Atlantic, Florida, Brazil, 

 West Indies, West African Coast ; it may be found at 

 some depth. 



Synopsis of the Species. 



A. The external orbital angle is separated from the 

 next antero-lateral tooth by a notch, the two teeth almost 

 forming one. The last tooth is pyramidal. — (P. ]ierbstii?) 



B. The second antero-lateral tooth is very small, and 

 is situated behind the external orbital angle; the third 

 and fourth teeth are large ; the last tooth is small and 

 pointed. — (P. xanthiforniis.') 



I. Panopeus herbstii. 



Panopcus herbstii . . . H. Milne Edwards, Dekay, 



Gibbes, Heller, S. Smith, 

 Kingsley, A. Milne Ed- 

 wards. 



Panopeus laeustris . . . Desbonne and Schramm. 



Caiieer panope .... Herbst. 



Panopeus herbstii gran- \ 

 ulosus - Smith. 



Pa7iopeus herbstii obesus] 



Panopeus occidentalis . .1 Saussure, Smith, Desbonne 



Panopeus serratus . . ./ and Schramm. 



Panopeus aniericanus . . Saussure, Desbonne and 



Schramm. 



The carapace is slightly curved from before backwards, 

 and from side to side. The regions are indistinct, and the 

 mesogastric lobe is produced into a long point between 

 the protogastric lobes. This point is prolonged in a 

 groove which separates the epigastric lobes and extends 

 to the median notch of the front. There is upon each of 



