REPORT OF COMMISSIONERS OF INLAND FISHERIES. 67 



general shape of the carapace closely resembles Callinectes, 

 but it is longer in proportion to its width than is Callinectes. 

 It differs in having the abdomen of the male triangular, in being a 

 smaller crab, and in color. Portunus is brown and dull yellow in 

 <!olor. 



(Genus) OVALIPES Rathbun. 



Ovalipes occellatus Herbst. " Lady Crab." 



Plate III. Figure 12. 

 Platyonichus occellatus (Latreille). Verrill and Smith, 1874. 



This crab differs from the two preceding species in that the carapace 

 is not as broad proportionally, the length and width being about equal. 

 The anterolateral margin is cut into five similar teeth. It can be 

 readily recognized by its color, which consists of a white ground color 

 dotted with red. 



Habitat: in sand at low-water mark and off shore to ten fathoms. 



Distribution: Atlantic coast to Gulf of Mexico. 



Economic value: edible. 



Season in Rhode Island: 



When are eggs laid and, how long after copulation? 



How long does female carry the eggs? 



Extent of hatching season: 



LARV^ FORMS. 



Smith describes the megalops stage of this species. Verrill & 

 Smith, 74, p. 533. 



(Genus) CARCINIDES Rathbun. 



Carcinides masnas Linn^us. "Green Crab." 



Plate III. Figure 13. 

 Carcinus granulatus Say. Verrill and Smith, 1874. 



This species differs from the other species of this family in having 

 the last pair of legs narrow, with the last segment lanceolate. The 



