260 Mr. G. E. Dobson on new 



c, ditto, from a French specimen received from Monsieur 

 Eugene Simon. 



Fig. 3. Drassus criminalis, sp. n., § : a, spider, without legs, enlarged ; 

 b, ditto, in profile ; c, eyes, from the front ; d, genital aperture ; 

 e, natural length of spider. 



Fig. 4. Drassus delinquens, sp. n. : a, spider (without legs), enlarged ; 

 b, profile ; e, eyes, from the front ; d, genital aperture ; e, natural 

 length of spider. 



Fig. 5. Erigone Douglasi, sp. n. : a, profile of spider (without legs), en- 

 larged ; b, spider, from above, without legs ; c, eyes and falces, 

 from the front ; d, geuital aperture. 



Fig. G. Erigone nigriceps, sp. n. : a, spider, in profile (without legs) en- 

 larged ; b, eyts and falces, from the front ; c, genital aperture ; 



d, natural length of spider. 



Fig. 7. Erigone subitanea, sp. n. : a, spider in profile (with legs truncated) 

 enlarged ; b, eyes and falces, from the front ; c, left palpus, inner 

 side in front ; d, left palpus, in front, rather on outer side ; 



e, natural length of spicier. 



Fig. 8. Linyphia aeria, sp. n. : a, spider, in profile (without legs), enlarged ; 



b, eyes, from the front ; c, abdomen, in profile ; d, right palpus, 



outer side (inverted) ; e, natural length of spider. 

 Fig. 9. Lycosa arenicola, sp. n. : a, digital joint of J , showing structure of 



palpal organs ; a-x, characteristic oblique process of ditto 5 



b, genital aperture of 5 • 

 Fig. 10. Lycosa anmdata, Thorell: a, digital joint ofcJ, showing palpal 



organs; a-x, characteristic obtuse tuberculiform process of 



ditto ; b, genital aperture of 5 . 

 Fig. 11. Lycosa riparia, C. Koch : digital joint of J, showing palpal organs; 



x, characteristic oblique spine ; y, slender adjacent spine. 

 F g. 12. Lycosa prativaga, L. Koch : a, digital joint of <$ , showing palpal 



organs ; a-x, characteristic oblique spine ; a-y, slender spine 



adjacent ; b, genital aperture of $ (from a German example 



received from Dr. Ludwig Koch). 



XXXII. — Descriptions of new Species of Vespertilionidae. 

 By G. E. Dobson, M.A., M.B., F.L.S., &c. 



Genus Vespertilio. 



Vespertilio, Keys. & Bias. Wiegni. Archiv, 1839, p. 304. 



a. Feet moderate ; wings to the base of the toes. (Subg. Vespeetilio.) 

 Vespertilio ofricanus, n. subsp. 



Ears shorter than the head ; laid forwards the tips do not 

 reach to the end of the muzzle ; tragus acutely pointed. 

 Glands on the side of the muzzle forming a conspicuous 

 rounded elevation on either side between the eye and nostril. 



Fur above dark at the base, with greyish extremities ; 



