SPHENODON-——SPHYROCEPHALUS, 641 
Sp[h]enodon-— Continued. 
Sphenodon: 6Q)v, wedge; 65@v=ddo0vs, tooth—irom the form of the upper 
teeth. ‘‘ Elles sont en forme de cónes, dont la base regarde le fond de P'al- 
véole, de sorte qu'elles y paraissent enclavées comme des coins. Cette confor- 
mation particuliére m'a fait nommer ce genre Sp[^]enodon." (Lunp.) 
Sphenotherus Amecuino, 1891. dentata, Megatheriid:e. 
Revista Argentina Hist. Nat., I, entr. 2a, 95-99, figs. 24, 25 in text, Apr. 1, 1891. 
Type: Sphenotherus zavaletianus Ameghino, from the Miocene of Tucuman or 
Catamarca, Argentina. 
Extinet. Based on a lower jaw. 
Sphenotherus: 6Q)v, wedge; 0p, wild beast. 
Sphermophilus (see Spermophilus). Glires, Sciuride. 
Sphiggomys AwrauiNo, 1887. Glires, Chinchillidee. 
Enum. Sist. Especies Mamíf. Fós. Patagonia Austral, p. 12, Dec., 1887. 
Sphingomys LvbEKKER, Zool. Record for 1891, XXVIIT, Mamm., 33, 1892. 
Type: Sphiggomys zonatus Ameghino, from the lower Tertiary of southern 
Patagonia. 
Extinct. 
Sphiggomys: Opiyy@, to bind; 40s, mouse—in allusion to the molars, **forma- 
das por dos láminas separadas por una hendidura y unidas en un estremo como 
en Perimys.”’ 
Sphiggurus F. Cuvier, 1822? Glires, Erethizontid:e. 
Mém. Mus. Hist. Nat., Paris, IX, 427, 433—435, pl. 20 bis figs. 5-7, 1822 (‘Sphiggure’ ) ; 
Dents Mammiféres, 178-179, 256, 1825. 
Sphingura W ^GLER, Nat. Syst. Amphibien, 18-19, 1830. 
Spigurus Swainson, Nat. Hist. Quad., 390, 1835. 
Spiggurus Gray, List Osteol. Spec. Brit. Mus., pp. xiii, 45, 1847. 
Sphingurus W ArERHOUSE, Nat. Hist. Mamm., II, Rodentia, 409, 1848; ALsTON, 
Proc. Zool. Soc. London, 1876, 94. 
Type: Sphiggurus spinosus F. Cuvier, from Brazil. 
In the first reference Sphiggurus seems to be only a French name (‘Sphiggure’ ), 
except on pp. 433-434, where it is abbreviated (‘S. spinosa’). 
Sphiggurus: 6iy y o, to bind; oo, tail—in allusion to the prehensile tail. 
Sphingomys (see Sphiggomys). Glires, Chinchillidee. 
Sphingura (see Sphiggurus). Glires, Erethizontide. 
Sphinx (‘Lesson’) Gray, 1848. Primates, Cercopithecid:e. 
[Les vrais Papions ou Sphynx’ Lesson, Spécies Mammiféres, 104-107, 1840. ] 
[‘Sphynx’ Lesson, Nouv. Tableau Régne Animal, Mamm., 6, 1842. ] 
Gray, List Spec. Mamm. Brit. Mus., p. xvii (under Cynocephalus). 
Lesson uses Sphynw as a ‘tribe’ or section of the subgenus Papio, for P. babuin 
(=Simia cyanocephalus), and P. sphynx (=S. sphinz), but only in French form. 
Gray merely quotes Lesson’s name in the synonymy of Cynocephalus without 
recognizing the group. 
Name preoccupied by Sphinx Linnzeus, 1758, a genus of Lepidoptera. 
Sphinx: 6piyé, sphinx, supposed to mean lit. ‘strangler,’ the story being that 
the Sphinx strangled those who could not solve her riddles. (Century Dict. ) 
Sphodromys AmeEGuHINo, 1887. Glires, Chinchillidee. 
Enum. Sist. Especies Mamíf. Fós. Patagonia Austral, p. 13, Dec., 1887. 
Type: Sphodromys scalaris Ameghino, from the lower Tertiary of the Rio Santa 
Cruz, southern Patagonia. 
Extinct. 
Sphodromys: 6Podpos, strong, robust; 400s, mouse. 
Sphyrocephalus Murray, 1862. Chiroptera, Pteropodide. 
Proc. Zool. Soc. London, 1862, 8-11, pl. 1 (Zygenocephalus ). 
Spyrocephalus Dossox, Cat. Chiroptera Brit. Mus., 6, 1878 (misprint), 
41 
7591— No. 23—03 

