264 SPECIFIC DESCRIPTIONS OP 



longitudinal line along tlie middle of its fore part on 

 the upper side, intersected by a similar line at right 

 angles ; but these lines soon disappeared after death ; 

 the specimen had been in spirit of wine some months 

 before the present description was made. 



A single example, with its tubular nest of the cork- 

 lid type, was received alive from California in 1873, 

 and apjDears to have been hitherto undescribed ; 

 though no larger than Ct. Sauvagii, it is yet a 

 stouter and more massive spider, and may readily 

 be distinguished by the large size of its fore-lateral 

 ej^es, the narrower ocular area arising from the far 

 greater proximity to each other of the eyes of each, 

 lateral pair, the less convexity of the caput, and the 

 greater convexity of the thorax, as well as by its 

 being altogether a darker coloured spider, and having 

 shorter stouter legs. 



Habitat. Visalia, 350 miles south of San Francisco, 

 California. 



Gen. Nemesia, Savigny. 



Nemesia c^mentaria, Plate XIX., fig. B, p. 229. 



Mygale ccementana (Latr.) Hist. Nat. des Crust, t. vii. 

 p. 164. 



— 9— Walck., Hist. Nat. des Ins. Apt. 1, p. 235. 



— — Cuviers Megne Animal, ed. Paris. 

 20 vols. 18—? PL I., A. Buges del $ et '^ . 



Adult female, length 7 to 9 lines. 



Cephalothorax oval, truncated and almost equally 

 broad at each end; the upper surface is moderately 

 convex, the caput elevated a little above the rest, and 

 equally rounded on the sides and upper part ; the 

 profile of the whole cephalothorax forms a general 

 sloping slightly curved line, broken by the thoracic 



