244 AMERICAN COLEOPTERA. 



middle, sides rounded, gense obtuse. Prothovax with sides parallel and very 

 broadly arcuate from base to apex ; base moderately bisinuate. tbe marginal line 

 feeble, surface numerously very coarsely punctate with fine punctures inter- 

 mixed ; the coarse punctures more or less evidently umbilicate. Elytra equal in 

 width to the thorax at base; striae deep and crenately punctate, intervals more 

 or less convex, finely irregularly punctate, moderately shining. Prosternum 

 very strongly, acutely carinate. Mesosternum and sides of metasternum aluta- 

 ceous, the former coarsely closely punctate anteriorly, the latter moderately 

 punctate at sides, finely and sparsely at middle, not distinctly between the coxae. 

 Posterior femora sparsely minutely punctate, first joint of hind tarsus suhequal 

 to the next three. Front tibiae tridentate, margin finely crenulate above, front 

 face impunctate. Length 3.1-3.5 mm. 



California, Pasadena and HumboJdt Co. 



The type is one of three examples taken by Dr. Fenyes fron) the 

 uest of a wood rat (Neotoma), April 8th. The Humboldt County 

 specimen was taken by Mr. Barber — also in rat's nest — at Blair's 

 Ranch, Redwood Creek, June 19th. Other examples are in the 

 National Museum collection. 



This species must by its characters be referred to Horn's Group 

 B, where it would perhaps best follow duplex. 



AphodiuK rotuiidiceps n. sp.— Elongate, parallel, black, tibiae and 

 tarsi dark rufous, antennae paler. Head subimpunctate, a few minute punctures 

 posteriorly, not in the least tuberculate, the frontal suture completely wanting; 

 clypeus strongly evenly arcuate from side to side; geuae feebly, rounded, not 

 more prominent than the eyes. Prothorax but little longer than wide, a little 

 narrowed in front, parallel in basal half; base finely margined, hind angles 

 feebly obliquely truncate and rounded ; punctuation very fine and sparse, a few 

 coarser punctures intermixed, except near the margins. Elytra not distinctly 

 wider than the thorax and a little less than twice as long; striae fine, finely indis- 

 tinctly and rather remotely punctate; intervals nearly flat and impunctate. 

 Entire upper surface with minute alutaceous sculpture. Lower surface aluta- 

 ceous, mesosternum punctured in front, not carinate though a little convex 

 between the coxae; metasternum sparsely punctate ; abdomen with a few scat- 

 tered punctures basally, the apical segment more numerously punctate. P'emora 

 with a few fine punctures; front tibiae smooth, margin tridentate, feebly crenu- 

 late above; terminal spur slender, feebly curved, slightly shoiter than the first 

 two tarsal joints; second tarsal joint longer than the first. Shorter spur of mid- 

 dle tibiae barely half the length of the longer one. Basal joint of hind tarsus 

 nearly equal to the next three; longer spur a little shorter than the basal joint. 

 Terminal spinules of middle and posterior tibite short and of nearly equal 

 length. Length 4 mm.; width 1.4 mm. 



Highlands, North Carolina. A single specimen, collected by Mr. 

 Frederick Blanchard. 



This insect is as narrow as our more slender species of Atamius, 

 and at long range looks not greatly unlike then). By Horn's 



