@) 
276 [ FEBRUARY, 
? Kirby, Fauna Bor. Am. 97. 
One female from Nebraska and another from Utah. Very similar in appear- 
ance to the preceding, but the anterior band does not reach the suture, and the 
posterior band is less close to the apex; the rhinarium in both specimens is 
black and triangular. 
Kirby describes his species as having a red trapezoidal rhinarium, but as I 
find great differences in this respect between individuals of other species, I am 
not inclined to consider this character as of any importance. Kirby’s descrip- 
tions are moreover very faulty and difficult to use, as he has laid undue stress 
on variable or on universal characters, while the differences in form of the 
thorax and the extent of its depressed portion are hardly mentioned. 
The description of N. obscurus Kirby (l.c¢.97,) also applies to this 
species, except that the epipleure are not “narrower than usual ;” that char- 
acter would assimilate it with my division (A), but from the want of a descrip- 
tion of the thorax, it is impossible to place it accurately. 
4. N. guttula, niger, thorace obovato, punctulato, lateribus sinuato, dorso 
subtiliter canaliculato, elytris gutta humerali rufa; antennarum clava obscure 
ferruginea, basi nigra, pectore auripiloso, abdomine nigro-pubescente. Long. 
-48—-70. 
Motschulsky, Bull. Mose. 1845, part 1, 53. 
California, abundant at San Diego, rare at San Francisco; also found at Sitka, 
according to Motschulsky, whose localities are, however, by no means accurate. 
The transverse impression of the thorax is very deep; the elytral spot is entirely 
on the base of the epipleure, and is sometimes very indistinct. The anterior 
tarsi of the male are dilated, and the rhinariumis black and trapezoidal; in the 
female the rhinarium is much smaller and triangular; the anus of both sexes is 
ciliate with yellow hairs. 
C. Thorace subcanaliculato, antice transversim impresso, margine laterali 
latius depresso. 
a. Thorace glabro. 
5. N.americanus, niger, fronte, thoracis disco, epipleuris elytrorumque 
fasciis utrinque duabus rubris, antennarum clava ferruginea, pectore flavo- 
piloso. Long. 1-00—1-35. 
Nicrophorus americanus Oliv. Ins. 10, 6; pl. 1, 3, (1790); Enc. Meth. 8, 154. 
Necrophorus grandis Fabr. Ent. Syst. 1, 247, (1792,); Syst. El. 1, 334; 
Herbst, Kafer, 5, 152, tab. 50, 1. 
Middle and Southern States, abundant. Fabricius quotes Olivier, but for some 
unknown reason does not adopt his specific name. 
The rhinarium in this species is red, and very variable in form; sometimes it 
is small and triangular, sometimes very large and trapezoidal. This difference 
at first appeared to be sexual, but with a larger series of specimens I found 
that both forms were to be found among the males; although the variation is 
very great, yet after a diligent comparison, nothing was found to indicate spe- 
cific difference. 
6. N. pustulatus, niger, thorace subovali, subtransverso, marginibus 
punctatis, elytris distinctus punctatis, gutta laterali ad medium, alterisque 
utringue duabus versus apicem saturate rubris; antennarum clava ferruginea, 
basi picea, pectore flavo-piloso, abdomine griseo-pubescente. Long. :62—-85. 
Herschel, Illiger’s Magazin, 6, 271, (note.) 
IN. bicolon Newman, Ent. Mag. 5, 385. 
Middle, Southern and Western States, not common. The rhinarium is red, 
triangular and moderately large; the anterior tarsi of the male are strongly 
dilated. I have one specimen in which the lateral elytral spot is hardly distinct, 
and the two apical spots entirely wanting. 
7. N. nigrita, niger, thorace ovali, lateribus subsinuatis, marginibus punc- 
tatis, elytris subtilius punctatis, punctis maioribus 3-seriatis impressis; anten- 
narum clava ferruginea basi nigra, pectore nigro-piloso. Long. :75. 
Mannerheim, Bull. Mose., 1843, p. 251. 
NSS 
RS 
