20 ME. r. 0. PICKAED- CAMBRIDGE OK 



Structure. Mandibles very stout, with two rows of teeth, the 

 inferior with 9 small conical cusps, the superior with 11 long 

 stout teeth increasing in length, the longest being the fifth to 

 the tenth. Outside the superior row of teeth lies an irregular 

 row of stiff bristles. l£yes. Posterior row straight ; eyes subequal, 

 centrals slightly closer together, three fourths of a diameter apart; 

 anterior row slightly recurved. ; centrals small, one fourth smaller 

 than the laterals,half a diameter apart, over one diameter from the 

 laterals : lateral eyes equal and in contact. Tibije of legs with 

 two erect bristles above, one near the base, the other towards 

 the apex. The mandibles bear a series of striae on the outer 

 side, and the coxse of the palpi a few stilF bristles on the inner 

 side. 



A single adult female was tal?en on the island of Juan 

 Teruandez by Dr. Plate. 



Pamily Theeiditd^. 



Tetttana geossa, C. K. 



Theridion grossum, C. K., Die Arachniden, iv. p. 112. 

 Two adult females were taken on the island of Juan Fernandez 

 by Dr. Plate. 



Theeidiok TEPiDAEiOErM, C. K., Die AracJiniden, viii. p. 75. 

 A single adult female was taken at Cavan by Dr. Plate. 



Pamily Pholcid^. 



Pholcus ameeicanus, Nic. 



Two examples, which probably belong to this species, occurred 

 in Dr. Plate's collection from Chili. 



Pamily Agelenid^. 



EUBEIUS ANNULATUS, sp. U. (PI. 2. fig. 10.) 



5 . Total length 15 mm. 



Colour. Carapace, sternum, and legs pale orange-yellow, man- 

 dibles black, maxillse and labium deep brown. The sides and 

 anterior margin of the caput arc deep brown, besides a narrow- 

 central and two narrow lateral brown bands converging at the 

 central stria. An irregular brown baud runs midway between 

 the central stria and the margin, consisting in reality of a serit s 

 of blotches on the lateral striae which are confluent. The margin 

 of the sternum is suffused with dark brown. The femora of 



