CRUSTACEA NORTH PACIFIC EXPLORING EXPEDITION 165 



a rounded swelling' or convexity of the surface on each side near 

 the base. Dimensions of the carapax in the male : Length, 0.242 ; 

 breadth at the posterior extremity, 0.22 inch. 



It was dredged from a shelly-mud bottom in ten fathoms, in 

 Hongkong Harbor, China. 



CALAPPIDEA 



Genus CALAPPA Fabricius 



265. CALAPPA CRISTATA' Fabricius 



Calappa cristata Fabricius, Suppl, 346; AIilxe Edwards, Hist. Xat. des 



Crust., II, 105. 

 Lophos philargiiis De Haan. 



In life the color is pale brick-red above, the surface being covered 

 with crowded punctse of that color. The eyes are longitudinally 

 striped with black, the stripes or lines being about seven in number. 

 A large, well-defined deep red spot on the carpus, and one on the 

 front of the hand. Inner side of hand with red spots or blotches 

 arranged in lines. Lower side of brachia deep red. Inferior sur- 

 face of body white, with the exception of two oblique red lines on 

 each cheek. 



It is not uncommon on muddy bottoms at about six fathoms depth 

 in the vicinity of Hongkong, China. It occurred abundantly in 

 May, 1854, but none were found later in the season. Taken also at 

 Loo Choo. 



266. CALAPPA TUBERCULATA = Fabricius 



Calappa tiibcrculata F.\bricius, Suppl., 345. Herbst, Naturg. d. Krabben u. 

 Krcbse, i, 204, pi. xiii, fig. 78. DESiMAREST, Consid. sur les Crust., 109, 

 pi. X, fig. I. Milne Edwards, Hist. Nat. des Crust., 11, 106. Dana, 

 U. S. Expl. Exped., Crust., i, 393. 



Calappa Jicpatica De Haan, Fauna Jap., Crust., p. 70. 



Found by the expedition in Caspar Strait and at Lod Choo. 



^Calappa philargius (LinnjEus). 

 'Calappa hcpatica (Linureus). 



