260 THE CANADIAN ENTOMOLOGIST. 



A — Nearly as in the preceding, but more slender in form in the male, 

 with the antenna? evidently less stout, the labrum more nearly 

 truncate, the prolhorax rectilinearly truncate at base, and not 

 broadly and feebly bisinuate as in Tu/arensis, the elytra less 

 shouldered at base, with the punctures smaller, still feebler and less 

 close-set. Length, q* , 14.8 mm.; width, 5.4 mm. A single 

 specimen marked simply " Tulare Co " graci/ior, n. subsp. 



25 — Body in the female stout, though more elongate and not so briefly 

 ventricose as in the same sex of Tu/arensis, alutaceous, deep black ; 

 head smooth, the anterior impressions rounded, distinct, the labrum 

 strongly produced in the middle in a trapezoidal lobe ; antennas 

 moderate; prolhorax formed as in Tu/arensis, the anterior impression 

 deep and obliquely sulciform laterally, the portion between the broadly 

 bisinuate base and the subbasal line perfectly smooth in the middle ; 

 elytra more elongate, more parallel, much more shouldered at base, 

 more gradually and acutely ogival with less arcuate sides posteriorly, 

 having scarcely a trace of punctuation but with some fine and feeble 

 sparse creases, the fovete very small, sparse, asperulate. Length, 9 , 

 1S.5 mm.; width, 6.9 mm. Tulare Co. (Mineral King Road, 8,000 

 feet) /avis, G. H. Hoin 



I have seen no representative of Xanti, Lee; ambiguus, Schpp., or 

 Van Dykei, \V. Horn, and so have not included them in the table ; the 

 first, from the regions back of Sia. Barbara, is said by W. Horn to be 

 identical with Californicus, but this identification is somewhat involved 

 in doubt. Ambiguus is said to come in the neighbourhood of Audouini. 

 I have seen the type of Homi, Lee, but have no example ; it seems 

 certainly to be a distinct species, because of its very large prothorax, with 

 very feebly converging sides ; it is allied more closely to Tu/arensis than 

 to sequoiarum. The form published by Dr. VV. Horn under the name 

 Van Dykei (Deutsch Ent. Zeit., 1903, p. 197) is distinct in having the 

 elytra about as wide as the prothorax, and the pronotum finely and evenly 

 rugose throughout ; it is said to belong near Audouini. 



The punctifrons group is in some respects a Sierran representative of 

 the northern coast Audouini group, but there are numerous rather radical 

 points of divergence, the most noticeable being the peculiar form of the 

 pronotum in Audouini, with its deeply declivous sides, though in borealis 

 this character is lacking ; but this species differs greatly from either 

 Audouini or punctifrons in its very large oblique frontal impressions, 



