CRUSTACEA. 19 



THORACOSTRACA. DECAPODA. 



ASTACIDAE. 



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

 Xo. TIT, p. 75, pi. 1, figs. 47-50, pi. 2, ligs. 135-139, pi. 3, tig. 

 IGG. 



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

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



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



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

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

 satonic Iiiver, Berkshire Co. 



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

 at Westerly. 



CoKx. ? — C. hartonii introduced into brook at New Haven in 

 1880, but none have been seen there since. 



PENAEIDAE. 



50. Penaeus brasiliensis Latreille. 



Southern slirimp. 



Penaeus brasiUensis Latreille, Nouv. diet, liist. nat., 1817 

 vol. 25, p. 156. "Bresil." 



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

 naturv. math, afd., 1856 (5), vol. 4, p. 290, pi. 5, fig. 23 (supe- 

 rior antenna). 



A southern species. 



Mass. — Katama Bay, ]\Iarthas Vineyard, one specimen. 

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

 p. 267). 



CRAGONIDAE. 



51. Crago septemspixosus (Say). 



Sand shrimp ; Grey shrimp. 



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



