CRUSTACEA. 19 



THORACOSTRACA. DECAPODA. 



ASTACIDAE. 



Camharus hartonii Hagen, 111. cat. mus. comp. zool., 1870, 

 No. Ill, p. 75, pi. 1, figs. 47-50, pi. 2, figs. 135-139, pi. 3, fig. 

 166. 



Me. — Houlton and Maysville, Aroostook Co. ; Madison, Som- 

 erset Co. ; head of Kennebec River, outlet of Moosehead Lake. 



Vt. — Burlington, Colchester, and Shelburne, Chittenden Co. 



Mass. — North Grafton, Worcester Co. ; Williamstown and 

 North. Adams, Berkshire Co. ; also probably, tributary of Hou- 

 satonic River, Berkshire Co. 



R. I. ? — Crayfish are said to have been common 60 years ago 

 at Westerly. 



Co:n^n.? — C. hartonii introduced into brook at New Haven in 

 1880, but none have been seen there since. 



PENAEIDAE. 



50. Penaeus brasiliensis Latreille. 

 Southern shrimp. 



Penaeus brasiliensis Latreille, Nouv. diet. hist, nat., 1817 

 vol. 25, p. 156. ''Beesil." 



Peneus brasiliensis Kroyer, K. Danske vid. selsk. skr., 

 naturv. math, afd., 1856 (5), vol. -1, p. 290, pi. 5, fig. 23 (supe- 

 rior antenna). 



A southern species. 



Mass. — Katama Bay, Marthas Vineyard, one specimen. 

 Conn.'? — (See Smith, Trans. Conn. acad. sci., 1880, vol. 4, 

 p. 267). 



CRAGONIDAE. 



51. Crago septemspinosus (Say). 



Sand shrimp ; Grey shrimp. 



Crangon septemspinosus Say, Journ. acad. nat. sci. Phil., 



