91 



A. cribrarius of the east coast, heretofore the only known species 

 of the genus, is at once distinguished from this species by the quad- 

 ridentate front, the much broader and stouter teeth of the antero- 

 lateral border, and by the much mOre slender terminal segment of the 

 male abdomen. 



Callinectes, sp. A single young specimen of Callinectes collected in 

 the Gulf of Fonseca, agrees very well with Ord way's description of 

 C. arcuatus, Boston Journal Nat. Hist., vol. vii, p. 578, 1863, except 

 there is only one distinct spine on the carpus of the chelipeds, the 

 inner ones being nearly obsolete. It may be an undescribed species, 

 but the specimen is too young for accurate determination. 



Ocypodoidea. 



Ocypoda Gaudichaudii Edwards and Lucas, Voy. de d'Orbigny dans 

 l'Amer. merid., Crust., p. 26, pi. 11, fig. 4, 1843. Collected in the Gulf 

 of Fonseca. 



Gelasimus heterophthalmus Smith, Trans. Conn. Acad., vol. ii, p. 116, 

 pi. 2, fig. 6, pi. 3, fig. 1, 1870. Gulf of Fonseca. 



Gelasimus heteropleurus Smith, loc. cit., p. 118, pi. 2, fig. 7, pi. 3, fig. 

 2. Gulf of Fonseca, 



Gelasimus princeps Smith, loc. cit., p. 120, pi. 2, fig. 10, pi. 3, fig. 3. 

 Corinto, Nicaragua. 



Gelasimus armatus Smith, loc. cit., p. 123, pi. 2, fig. 5, pi. 3, fig. 4. 

 Gulf of Fonseca. 



Gelasimus ornatus Smith, loc. cit., p. 125, pi. 2, fig. 9, pi. 3, fig. 5. 

 The locality from which this species came is uncertain. 



Gelasimus gibbosus Smith, loc. cit., p. 140, pi. 2, fig. 11, pi. 4, fig. 8. 

 Gulf of Fonseca 



Gecarcinus quadratus Sauss., Revue et Magazine de Zool., 2e. ser., 

 tome v, 1853, p. 360, pi. 12, fig. 2; Stimp., Ann. Lye. Nat. Hist., N. Y., 

 vol. vii, p. 233, 1860. Collected at Corinto, Nicaragua. 



Cardiosoma crassum Smith, Trans. Conn. Acad., vol. ii, p. 144, pi. 

 5, fig. 5, 1870. Gulf of Fonseca, 



(?) Goniopsis cruentatus DeHaan. There are two specimens of Goni- 

 opsis from the Gulf of Fonseca, which are apparently identical with 

 the Atlantic species, but I have had no opportunity for a careful com- 

 parison of males from the two coasts, and therefore do not feel quite 

 certain of the identity of the west coast specimens. 



Pachygrapsus trdnsversus Gibbes, Proc. Amer. Assoc. Adv. Sci., 3d 

 meeting, 1850, p. 181: Stimp., Ann. Lye. Nat. Hist., N. Y., vol. vii, p. 

 64, 1859. One specimen from the Gulf of Fonseca, which I am unable 

 to distinguish from specimens from the east coast. There are speci- 

 -mens of the same species in the Museum of Yale College, collected at 



