THE EOYAL ARTILLERY INSTITUTION. 
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Earn., Atoniidce. —(Maclean.) 
Genus, Cremastocheilus .— (Kuoch) . 
Cremastocheilus armatus (n.s). 
Niger aspere punctatus capite bicornutus thoracis angulis posticis valde produetis 
Elytris litura basali pallida femoribus tibiisque valde dilatatis. 
Black, dull, roughly punctured. Head deeply retuse in front, with an acute 
projection on each side in front of the eye. Thorax with the four angles smooth, 
much produced and very prominent, the hind angles especially so. Elytra broader 
than the thorax, and a little more than twice its length, each with a pale basal 
mark. Abdomen with a protuberance on each side at the tip apical segment 
vertical. Femora and tibiae punctured and much dilated. Length of the body six 
lines. 
It may be distinguished from C. mexicanus by the much more protuberant hind 
angles of the thorax and by the pale mark at the base of the elytra. Hab. sand 
plains about Walla Walla. 
Earn., Buprestida .— (Leach). 
Genus, Ancylochira . —(Esch). 
*Ancylochira ornata (n.s), 
Aureos viridis capite thorace que confirtim punctatis stria longitudinali elytris 
punctato lineatis cupreo bi.-vittatis abdomine subtus fasciis auratis apice cupreo. 
Ancylocheira, bright golden green. Head and thorax thickly punctured, with an 
impressed longitudinal line. Elytra with deeply impressed punctured lines, with a 
purplish tinge on each side in front, full four times the length of the thorax. 
Abdomen beneath, with a short gilded band on the fore border of each segment, tip 
cupreous. Length of the body nine lines. 
The cupreous stripes in the elytra of this species distinguish it from A. aurulenta 
and from A . decora. Hab. taken both east and west of the Cascade Mountains, 
frequent on Pinus ponderosa, also found on Vancouver Island. 
Genus, Eliodes . —(Esch). 
*Eliodes conjuncta (n.s.) 
Nigra sat obscura, H. convexicolli affinis thoracis lateribus minus rotundatis 
scutellos majori elytris angustioribus capite thoraceque subtilissime punctatis 
thorace binotata. 
Black, rather dull, like H. convexicollis in structure. Head and thorax very 
minutely punctured. Thorax with a shallow discal on each side, hindward sides 
less convex than those of H. convexicollis , scutellum larger. Elytra narrower, their 
sides more linear. Length of the body thirteen lines. Hab. Common about 
Walla Walla, frequents the wild sage (Artemesia). 
Five new species belonging to this genus were obtained by me on the Columbia 
plains. 
*E. subtuberculata . 
*E. convexicollis . 
*E. binotata. 
*E. conjuncta. 
*E. latinscula. 
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