20 BULLETIN OF THE 



Station. N. Lat. W. Long. Fathoms. Specimens. 



344 40° 1' 0" 70° 56' 0" 129 1 



345 40° 10' 15" 71° 4' 30" 71 3 



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 $ 9 



Length, from front of carapax to tip of abdomen . 12.0 mm. 1 1.2 mm. 



Length of eye-stalk 1.6 1.5 



Greatest diameter of eye 1.1 0.9 



Length of right chehped 15.2 11.2 



" chela 6.0 4.4 



Breadth of chela 2.4 1.8 



Length of left cheliped 13.6 10.0 



" chela 5.0 3.6 



Breadth of chela 1.1 1.0 



Length of first ambulatory leg, right side . . . 16.1 12.8 



PAEAPAGUEID^!. 



The genus Parapagurus differs so Avidely from all other Paguridea in pos- 

 sessing trichobranchise instead of phyllobranchia?, that it ought, undoubtedly, 

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



Parapagurus pilosimanus Smith* 



Trans. Conn. Acad., V. p. 51, 1S79 ; Proc. National Mus., Washington, III. p. 42$, 



1881. 



Tlate II. Figs. 4 - 4'. 



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

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



* A. Milne- Ed wards in a recent report on tin- expli nations of the " Travailleur," in 

 the Comptes-Rendus of the Academy of Sciences, Paria, Deft 1831 (Ann. Mag. Nat 

 Hist., 5th s.t., IX. p. 42, 1882), states that his Eupagurtu Jbeobii from the " Blake " 

 dredginga (Bull. Mob. Corap. Zo51., VIII. p. 42, 1S80) is identical with this Bpadea, 



of which specimens were sent to him last June. 



