CRUSTACEA. 9 



THORACOSTRACA. DECAPODA. 



PORTUNIDAE. 



21. Callixectes 8APIDUS Rathliun. 

 Blue crab ; Common edible crab. 



Lupa hastata Say, Joiirn. acad. nat, sci. Phil., 1817, vol. 1, 



p. 65. "Ix BAYS, &c." 



Callinectes sapidiis Rathbim, Proc. U, S. nat. nnis., 1896, vol. 

 18, 1). .SfvJ, pi. 12, pi. 24, fig. 1, pi. 25, fig. 1, pi. 26, fig. 1, pi. 27, 

 fig. 1. 



]Mu(ltlv shores to deep water ; brackish water of estuaries. 

 Mass. — Millpond, an inlet of Salem Harbor; Mass. Bay; from 

 Cape Cod southward. 

 R.I. 

 Conn. 



22. OvALiPES ocELLATUs (Herbst). 



Lady crab ; Sand crab. 



Cancer ocellatus Herbst, Naturg. d. krabben u. krebse, 1799, 

 vol. 3, pt. 1, p. 61, pi. 49, fig. 4. "LoxG-EiLAND bey Xew- 



YORCK." 



Platyonichus ocellatus DeKay, Nat. hist. Kew York, pt. 6, 



Crust., 1844, j). 9, pi. 1, fig. 1, pi. 5, fig. 7. 



In sand at low-water mark and off shore to 10 fathoms. 

 Mass. — From ProvincetOAvn and Barnstable southward. 

 R. I. 

 Conn. 



CANCRIDAE. . 



23. Cancer irkoratus Say. 

 Rock crab. 



Cancer irroratus Say, Journ. acad. nat. sci. Phil., 1817, vol. 

 1, p. 59, pi. 4, fig. 2. "Inhabits THE ocean. Common." R. 

 Rathbun, Fisheries industries of U. S., 1884, sec. 1, p. 766, pi. 

 260, figs. 1-3. 



