184 
MODERN SYSTEM. 
Sp. 1 . Ontli. striatus. Payk., Monogr. Hist. 100. t. 11. f. 1 . 
Inhabits clung. 
Stirps 2. — -Body depressed: tibia broad: tarsi short: sternum dilated, 
the fore part forming a cavity for the head, which is capable of be* 
ing retracted even to the mandibles. 
A. Tibia, the four posterior with two series of spines. 
Genus 130. MISTER of authors. 
Body above nearly convex ; thorax with the anterior part straight. 
a. Elytra with the outer strise extending their whole length. 
a. Thorax with the sides striated, the stria: extending their 
whole length. 
* Elytra with marginal stria. 
Sp. 1. Hist, unicolor of authors. 
Inhabits dung. 
** Elytra without the marginal stria. 
Sp. 2. Hist, sinuatus. Illiger. 4-maculatus. Marsh. 
b. Thorax with the sides not striated. 
* Elytra with no marginal stria. 
Sp. 3. Hist. parvus. Marsh., Leach. 
** Elytra with a marginal stria. 
Sp. 1. Hist, purpurasccns. Fabr., Leach. Hist. Upustulatus. Marsh. 
e. Elytra with the external stria: abbreviated. 
Sp. 1. Hist, nitidu/us. {PI. 2. fig. 1. a. antenna magnified) Fabr., Leach, 
— Hist, scmipunctutus. Marsh. 
B. Four posterior tibia with only one row of spines. 
Genus 137. DENDROPHILUS. Leach’s Zool. Misc. vol. iii. 
Body with the upper part nearly convex : thorax short, the anterior part 
straight. 
Sp. 1. Den. pane tat us. 
Ilister punctatus. Ent. Heft. 
Genus 133. PLATYSOMA. Leach. 
Body with the upper part plain : thorax transverse or nearly equall 
quadrate. 
* Elytra without stria. Body finely punctured. 
Sp. 1. Flat, pkipes. Leach. H. piscipcs. Fabr. 
** Elytra without external stria. Body not punctured. 
Sp. 2. Plat.fiavkornis. Leach. H.fiavkornis. Hcrbst. 
