ARACHNIDA 6l 



tinct species, but many of the specimens agree perfectly with speci- 

 mens from the United States, and the variations are not extreme. 



EPEIRA GREGALIS Cambridge. 



Cambridge, Biol. Cent. Amer., Arach. Araneida, i, p. 22 (1889). 

 Keyserling, Die Spinn. Amer,, Vol, iv, Epeiridas, p. 177 (1892). 



Four specimens from Narboro Island in April. 



Described from Panama ; recorded by Keyserling from Brazil. 



EPEIRA PROMPTA Hentz. 



Hentz, Journ. Bost. Soc, Nat, Hist., v, p. 472 (1847). 

 E. parvula Keys., Beschr. n. Orbitel., p. 131 (1864). 



Eleven specimens from Albemarle, Narboro, and James islands, in 

 February, March, and April. Described from the United States ; oc- 

 curs quite commonly in Mexico and Central America. An extremely 

 variable species, but these specimens are of an ordinary form. 



CYCLOSA CAUDATA Hentz. 

 Hentz, Journ. Bost, Soc. Nat. Hist., vi, p. 23 (1850), 



Sixty-five specimens from Albemarle, Hood, Narboro and In- 

 defatigable islands, in January, February, March, April and May. A 

 species widely spread over the United States, Mexico and Central 

 America. 



ARGYROEPEIRA NIGRIVENTRIS Keyserling. 



Keyserling, Neue Spinn. a. Amerikas, i, p. 316 (1879). 



A. fragilis Cambridge, Biol. Cent. Amer., Arach. Araneida, I, p. 6 (1889). 



A. vohipis Keyserling, Die Spinn, Amer., Vol. iv, Epeiridae, p. 356 (1893). 



Ten specimens from Albemarle, Narboro, and James islands in 

 February and April. Described from New Granada (Colombia) ; re- 

 corded by Cambridge from Guatemala, and by Keyserling from 

 Brazil. One specimen comes from Cocos Island. 



TETRAGNATHA GALAPAGOENSIS sp. nov. 



(PI. I, fig. 10.) 



Length 9 10 mm., $ 7 mm. 



Cephalothorax, mandibles and legs pale yellowish, eyes on black 

 spots, fang of mandibles dark red-brown, tips of legs dark; abdomen 

 brownish yellow, with a pale irregular stripe around base and on 

 sides, indistinct in the male, venter in the female with a median brown 

 stripe. Eyes with S. E. as widely separated as M. E., and A. S. E. 

 rather smaller than the others. Mandibles in both sexes as long as 



