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. 



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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. 



