GLOBIOCBPHAtlDiE. 313 



tricose ; it has been copied by Lac^p. t. 4. f. 3, Blumenbaoh, t. 44, 

 and others. Duhamel's P^ch. iii. t. 26. f. 1, is, on the other hand, 

 too slender, and with too small a head. 



1. Narwalus microcepJialus, Lacep. t. 5. f. 2, from a drawing of 

 Mr. "W. Brand, appears to be only a bad representation of this species. 



2. Narwalus Andersonianus, Lacep. Cetac. 163, from Anderson, 

 Iceland, 225, described from the specimen drawn by Mr. Brand, is 

 figured by Lacep. t. 4. f. 2. 



Female bearing two fcetuses. — Whatton, Linn. Trans, xv. 620. 



Family 7. GLOBIOCEPHALID^. 



Head blunt, very much swollen. Nostrils united into a transverse 

 blower on the crown of the head. Body elongate ; back rounded. 

 Dorsal fin distinct. Pectoral fins falcate, elongate, low down, near 

 together on the chest; fingers five, each formed of many phalanges. 

 SkuU short. Nose scarcely so long as the brain-case, broad. In- 

 termaxUlaxy bones very wide, covering the maxilla above ; side of 

 the maxiUa expanded horizontally. Teeth conical, in the front of 

 the edge of the maxilla. 



Delphinidse Globiocephalina, Grmj, P. Z. S. 1863, 201 ; 1864, 243. 



Synopsis of the G-eneea. 



1. Globiocbphaltjs. Palate flat. 



2. SpH^ffiiBOCBPHALus. Palate convex, shelving up on the sidas. 



1. GLOBIOCEPHALUS. 



Head round, forehead very prominent. Teeth conical, large, only 

 in the front half of the jaws ; early deciduous. Upper jaw largest? 

 Pectoral narrow, linear-ovate, low down. Dorsal falcate, about the 

 middle of the back. 



Skull flattened, and concave in front of the blower ; rostrum broad, 

 flattened, rugose above ; intermaxillary bones very broad, covering 

 the greater part of the upper surface of the upper jaws ; the hinder 

 wing of the jaw-bone horizontal and bent up at the edge over the 

 orbits, and sHghtly expanded and reflexed just in front of the notch. 

 Palate flat, rather concave in the middle. 



Globiocephalus § 1, Gray, Cat. Cetac. B. M. 1850, 86; P. Z. & 1861, 



331; 1863,201; 1864,243. 

 Globiocephalus, Lesson ; Gray, Zool. Ereb. S; Terr. 32, 1846. 

 Globiocephala, Lesson, N. Tab. JR. A. 200, 1842. 

 Physeter, sp., Risso. 



Grampus (para), Gray, Spic. Zool. 2, 1828. 

 Cetus, sp., Waffler, N. S. Amph. 33, 1830. 

 Delphinus, sp., Cuirier. 



The skull of the young has no bony tentorium, though in the old 

 specimens it is well marked. — Jackson, Bost. Journ. N. H. v. 167. 



