MUSEUM OF COMPARATIVE ZOOLOGY. 



Station. 

 333 

 327 



Cancer borealis Stimpson. 



Cancer irroratus Say, Jour. Acad. Nat. Sci. Philadelphia, I, p. 57, 1817 (? only, 

 d" being C. irroratus). 

 Goui-D, Invertebrata Massachusetts, 1st ed., p. 322, 1841 

 Stimpson, Invertebrata Grand Manan, p. 59, 1853 {teste Stimpson). 

 Platycarcimis irroratus PyKxy, Nat. Hist. New York, Crust., p. 6 (hut not the 



fig.), 1844. 

 Cancer borealis Stimpson, Ann. Lyceum Nat. Hist. New York, VII., p. 54(4), 1859, 

 Smith, Inverteb. Vineyard Sd., Report U. S. Fish Com., I. pp. 546 (252), 745 

 (451), 1874 ; Trans. Conn. Acad., V. p. 39, PI. VIII. 1879 ; Proc. National 

 Mus., Washington, III. p. 417, 1881. 

 KiNGSLEY, Proc. Acad. Nat. Sci. Philadelphia, 1878, p. 317 (2). 



Station. 

 314 

 321 

 327 



N. Lat. 

 32° 24' 0" 

 32° 43' 25" 

 34° 0'30" 



W. Long. 



78° 44' 0" 

 77° 20' 30" 

 76° 11/ 30" 



Fathom.s. 

 142 

 233 

 178 



Specimens. 

 1^,3 9, 3 young. 

 6(?,49. 

 3<?, 19, 8 young. 



Fifteen of tlie specimens give the following measurements. 



station. 



314 



u 



321 



(( 



327 

 314 

 321 



314 

 327 

 321 

 327 



314 



Sex. 



Youna. 



Length of Carapax. 

 15.2 mm. 

 16.7 

 22.3 

 25.3 

 47.0 

 49.3 

 32.5 

 38.0 

 46.0 

 47.0 

 47.6 

 63.0 

 76.0 

 78.0 

 80.0 



Breadth of Carapax. 

 21.5 mm. = 1.41 k'th. 



24.3 



33.2 



38.0 



73.0 



76.0 



49.0 



59.5 



72.0 



74.5 



75.5 



101.2 



120.0 



123.0 



129.0 



1.45 

 1.48 

 1.50 

 1.55 

 1.54 

 1.51 

 1.56 

 1.56 

 1.59 

 1.59 

 1.60 

 1.58 

 1.58 

 1.61 



