122 SMITHSOXIAX :\[ISCELLANE0US COLLECTIONS 



Genus PLAGUSIA Latreille 

 199. PLAGUSIA TOMENTOSA ' Milne Edwards 



Cancer chabrus Linn.eus, Syst. Nat., 1044 {Ude White). 



Plagnsia tomentosa Milne Edwards, Hist. Nat. des Crust., 11, 92. Mc- 



LEay, in Smith's Illust. Zool. S. Afr., Annnlosa, p. 66. Daxa. U. S. 



Expl. Exped., Crust., i, 370. 

 Plagusia capensis De Haan, Fauna Jap., Crust., p. 58. 

 Plagusia chabrus White, Cat. Brit. Mus., 1847, p. 42. 



^^l^ite refers this species, perhaps justly, to the Ca>iccr chabrus of 

 Linnseus. But the identification does not appear to rest upon com- 

 parison of the original specimens, and until this is made we prefer 

 to use a name to which we can refer with certainty. 



It is rather common about the rocks at half-tide in Simon's Bay, 

 Cape of Good Hope. 



200. PLAGUSIA DENTIPES De Haan 



Plagusia dentipes De Haax, Fauna Japonica. Crustacea, p. 58, pi. viii, 

 fig. I. Milne Edwards, Melanges Carcinologiques, p. 144. 



Young specimens, probably of this species, were taken at Simoda. 



201. PLAGUSIA SQUAMOSA = (Herbst) Dana 



Cancer squaniosus Herbst, Naturg. d. Kraljben u. Krebse, i, 260. pi. xx, 



fig-. 113. 

 Plagusia squamosa Daxa ( non M. Edw.). U. S. Expl. Exped., Crust., i, 

 368. 



The Atlantic form differs constantl}' from the East Indian species 

 usually called Plagusia sqtiauiosa in the dentation of the superior 

 lobe or crest of the ischium-joint of the second and third ambulatory 

 feet, which is always armed with two or three teeth. Herbst's figure 

 represents this species, to which we woitld therefore restrict his 

 name squaniosus, notwithstanding that he gives the East Indies as 

 its habitat. 



It is common at Madeira. 



202. PLAGUSIA ORIENTALIS' Stimpson 



? Plagusia tuberculafa Lamarck, An. s. vert., v, 247. 



Plagusia squajnosa Milne Edwards, Hist. Nat. des Crust., 11, 94; ^lel. 

 Carcin., 144. 



^Plagusia chabrus (Linnaeus). 

 'Plagusia depressa (Fabricius). 

 ^Plagusia tuberctilata Lamarck. 



