234 ZOOLOGICAL LITERATURE. 
. c. Thorax enlarged towards the elytra, cpiitracted and arched in front. 
Ptenidium, Er. 
D. Body of a regular oval shape, covered on the upper surface with elevated 
hairs Anisarthuia, Steph. 
The author proceeds to characterize briefly the following species of the 
above mentioned genera, most of which, bearing his own name, would seem, 
from the heading of his paper (linuimSration des nouvelles especes) to be 
undescribed j it is, however, expressly stated that certain of them are new. 
The typographical errors in this paper are exceedingly numerous and trou- 
blesome. 
Acbatrichis (p. 173). 
^ Elytra almost quadrate. 
A. quadrangula (Mots.), United States; brimnipennis (Mots.), Panama; 
hrevicornis (Mots,), Madt^ira and Dalmatia; ahrupta (Ilald.), U. States; livi- 
dipennis (Mots.), Panama; nujricornis (Mots.), Madeira; velutina (Mots.), 
Panama; namda (Mots.), New York ; suhylabra (Mots.), Panama; ovatida 
(Mots.), Madeira. 
Elytra elongate-quadrate. 
A. insularis (Makl.), North Amer. ; pnrallela (Ilald.), Pennsylvania ; n- 
valis (Lee.), New Orleans ; aspera (Hald.), U. States; vulgata (Lee.), Pemi- 
sylv. ; sylvestris (Mots.), Panama. 
Elytra rather shorty but slightly attenuated behind. 
A. eeylonica (Mots.), Ceylon ; grossa (Mots.), Washington ; orientalis 
(Mots.), Ceylon; trapeziformis Ceylon; haldemanni (Lee.; rotun- 
data, Ilald.), U. States; cursitans (Nietn.), Ceylon; (Woll.), Ma- 
deira; punctatissima (Mots.), England; convexa (Mots.), Panama; fusci- 
pennis (Hald.), U. States; subcEiiea (Mots.), England; rujipennis (Mots.), 
Egypt; planulata (Mots.), Panama; infuscatu (Mots.), Panama; diseolor 
(Ilald.), U. States; (Mots.), North Amer. ;/«/ya (Mots.), Panama; 
fenestrata (Moritz), Panama; (Mots.), Panama; (Mots.), 
Panama. 
Elytra narrower than thorax^ and very attenuated towards the apex 
{all sea-coast species). 
‘ A. dilaticollis (Mots.), Egy'^pt; littoralis (Mots.), Alexandria; 'maritima 
(Mots.), Marseilles, Crimea. 
Myumicotriciiis (p. 181). 
M. latkollis (Perris; stibcorticalis, Ilochh.), llussia and France, in nests of 
Formica pubescens ; cequatorialis (Mots.), Panama, in nests of G^decnema 
hystrix’f subvittata {Mots.), V&nfima. * 
• Pteryx (p. 182). 
F. brunnea (Lee.), N. Anier. ; perforata (Mots.), Georgia; dimidiata 
(Mots.), New York. ‘ , 
Elachys (p. 183). 
•' E. gibbula (Mots.), U. States; castanoptera (Mots.), Mobile; Jlaviveniris 
(Mots.), N. York. 
Micrus (ibid.). 
M. solidus (Mots.), Mobile; cinerascens (Mots.), N. York. 
Ptinella (p. 184). 
* With eyes. 
r. nigrovittis (Mots.), New Orleans. 
