74 PROCEEDINGS OP THE ACADEMY OF Cephalic plates black ; an imperfect postocular cross-band. Red, bordered with black, b. Neck covered by the black collar. Postfrontals touching the labials. Post-frontals not touching the labials ; Geneial shields entirely black. Red or yellow ; Scales between middle and outer black ring red. Black with large white spots. ff Occipital shields not traversed by a black collar or half-collar, a. Rings absent on the belly, divided and alternating above. axternans D b. Rings entire ; *elegans Jan. SlJRINAMENSIS CUV. *GrRAVENHORSTII Jan. MELANOGENYS Cope. isozonps Cope. DissoLEtjcr/s Cope. &B. The middle one of each three more than twice as wide as the outer. *Dpmerilii Jan. Not more than twice as wide as the outer, But twice as wide as the red spaces between the triads. Not twice as wide. First black ring just touching occipitals Some distance behind them ; Before the eyes uniform black. A red band. B. Postoculars one. Body very slender. Species 57. Platurus fas ciatus Daud., add One sp. Raiatea. Species 63. Pelamis bicolor Daud., add One sp. Pacific coast of Panama. Hemprichii Jan. isozosus Cope. *Marcgravii D. & B. lemniscatus Schn. filiformis Gthr. Dr. J. Wilson, U. S. N. Dr. J. Wilson, U. S. N. We correct the following typographical errors in the Catalogue : Page 332, line 20, for "those " read these. 333, " 35 : for " Proteroglyphis " read Proteroglyphes. 338, " 12: for "Dr. Coleman Pemberton" read Dr. J. P. Coleman. 338, " 19 : for " plants " read flanks. 341, Pelias b e r u s : for " var. n i g e r Bell, ' ' read var. p r e s t e r Linn. 342, line 11 : for " Brachychranion," read Brachycranion. 343, " 19: for "H. pallidiceps Gray" read H. pallidiceps, Gthr. 343, " 33: for "Sepedon Cuvier" read Sepedon Merrem. 344, Bungarus fas ciatus: for "Three sp.' : read Five sp. 345, line 37: for "E. Bertholdi," read E. Bibroni. 347 " 5 : for " Hydrophia," read Hydrophis. it a << {< c. a It a it Catalogue of Colubridse in the Museum of the Academy of Natural Sciences of Pailadelphia. I. Calamarinae. BY E. D. COPE. 4. CoLUBRIDiE. Essential char. Superior maxillary bone horizontal, articulating with the anterior frontal by a lateral process ; its anterior prolongation bearing teeth neither perforated nor channelled for the reception of a venom duct. The posterior prolongation uniting to the ectopterygoid by a horizontal, oblique [Feb.
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