[September 1883 BULLETIN BROOKLYN ENTOM. SOC VOL. VI. 49 
SYNOPTIC TABLES OF COLEOPTERA. 
CALATHUS 2on. 
See Dr. Leconte’s Synopsis of the species of Platynus and allied genera, inhabiting the 
United States. Proc. Ac. Phila. 1854, pag. 36. 
Thorax not narrowed behind, basal foveze obsolete. 
Body elongate, thorax as broad as long. 
Sitlesmmocderatchynehexedeecnrs qos. ste waht emia deyeistalele -pictstcls bbl pregarius. 
Snes WENO My) GEOR eA SU RANGA «lc can obo ee HyidGOuaCOnOn 2. ingratus. 
Sides moderately depressed, elytra subopaque.................. 3. opaculus. 
Sides scarcely rounded, very little depressed, scarcely narrowed at apex, elytra 
RUNOPA CHIE, a eeeercrs Ay ste Alys:., « s, «PUMA Mere neLarar ats eke ayant 4. quadricollis. 
Body less elongate, thorax broader than long, elytra subopaque, 
Sides much rounded depressed)iiia.;4 =. 'ctenvnateyA peers sake aceaens 5. Behrensii. 
Sides little rounded, depressed, thorax towards base gradually narrower.... 
6. obscurus. 
Sides much rounded; scarcely depressed............-.-----: --- 7. ruficollis. 
Thorax narrowed behind, basal foveze broad. 
Maneinvof thorax broadly reflexed <). ..f.5--easens veeu aii aie bs 8. advena. 
Thorax nearly rounded, basal foveze large. 
Thorax a little longer than broad, scarcely narrowed behind ; elytral strize deep, 
HST OSS COTS. Bein os ce RRM a acl 3 crite MOCO OG oe 9. impunctatus. 
Thorax obovate, convex, basal foveze deep, narrow, elytral strize fine, inter— 
SLES alee I ee eee ic ee MES ct or OR eS 10. dubius. 
Bibliceraphy. 
I. gregarius, De}. Spec. If], 76. Say. Trans. Am, Ent. Soc. Il, 47. distingendus, 
Lec. Proc. Ac. Phila. II, 49, N. Y. to Fla. Tex. 10.8 mm. 
2. ingratus, De}. Spec. Ill. 77. confusus, Lec. Proc. Ac. Phila. 1854, p. 36. incom- 
modus, Mann. Bull. Mosc. 1853, III, 139. Alaska, Can. 8 to9 mm. 
. opaculus, Lec. Proc. Ac. Phila. 1854, 37. M.S. & W. St. 9 to 11 mm. 
. quadricollis, Lec. 1. c. Cal, 7 to 10.5 mm. 
. Behrensii, Mann. Bull. Mose. 1843, II, 195. 
. obseurus, Lec. 1. c. p. 37; Cal. 10.8 mm. 
. ruficollis, Dej. Spec. II, 78; Lec. 1. c. Cal. g to 10.8 mm. 
. advena, Lec. Ann. Lyc. IV, 217. mollis, Esch. Mem. Mosc. 1823, VI, 141. dulcis. 
Mann. Bull. Mosc. 1853, III, 141. Alaska, Lake Sup. N. H. 9g to 10 mm. 
9. impunctatus, Say. Trans. Am. Philos. II, 45. americanus, Dej. Spec. III, 83, 
N. Y. M. St. 10 to 11 mm. 
10. dubius, Lec. Proc. Ac. Phila. 1854, p. 38. Col., N. Mex. 12 to 13 mm. 
on OM PW 
