20 



BULLETIN OF THE 



Also taken by the U. S. Fish Commission, in 51 to 155 fathoms, off Martha's 

 Vineyard, in 1880 and 1881. 



Two specimens from Fish Commission Station 874, 85 fathoms, give the 

 following measurements : — 



Sex ^ o 



PARAPAGURID^. 



The genus Parapagurns differs so widely from all other Paguridea in pos- 

 sessing trichobranchiae instead of phyllobranchiic, that it ought, undoubtedly, 

 to be separated as a distinct family on this character alone. 



Parapagurus pilosimanus Smith.* 



Trans. Conn. Acad., V. p. 51, 1879 ; Proc. National Mas., Washington, III. p. 428, 



1881. 



Plate II. Figs. 4 - 4^ 



This species has also been taken, and in considerable abundance, by the 

 U. S. Fish Commission, in deep water off Martha's Vineyard. At Station 



* A. Milne-Edwards in a recent report on the explorations of the " Travailleur," in 

 the Comptes-RenJus of the Academy of Sciences, Paris, Dec. 1881 (Ann. Mag. Kat. 

 Hist, .'ith ser., TX. p. 42, 1882), states that his Eupagnrus Jacohii from the " Blake " 

 dredgings (Bull. Mus. Comp. Zool., VIII. p. 42, 1880) is identical with this species, 

 of which specimens were sent to him last June. 



