156 



1, 0. CETE Linn6 syst, nat, ed. 10; 1758. 



Mammalia edeciduata, placcnta diffusa, truueo glabro, 

 artubuä anticis pinnaceis, posticis nullis, pinna caudali 

 librata, mammis 2. 



1. f. DELPHINIDAE Gray Ann. Phil. v. 26; 1825. 



Caput cum trunoo continuum; nares auperae; mala 

 utraque dentata. 



1. g. PHOCAENA Cuvier regne an.; 1829. 



Rostrum breve fornicatum; nares in unum spiraculum 

 lunatum iunctae. 



1. communis hess.] dentibus in utraque mala utrimque 

 23 . . 25 rectis compressis apice latioribus, pinna dorsuali 

 triangulari obtusiuscula; superne nigra virescens, subtus 

 albicans. Delphinus phocaena Linne syst. nat. 108; 1766. 

 P. c. Lesson mam. 413; 1827. Blasius säuget, deutschl. 520; 

 1857. In maribus germanico et baltico, in amnes ascendeus. 



2. g. DELPHINUS Linn6 syst. nat. 108; 1766. 

 Rostrum mediocre basi latum apice rotundatum, a 



fronte sulco discretum ; nares in unum spiraculum lunatum 

 iunctae. 



1. delphish.-^ dentibus in utraque mala utrimque 42.. 

 47 subconicis acutis, pinna dorsuali pone medium corporiä 

 aita elevata apice recurva; superne nigricans, inferne albus. 

 Linnö syst. nat. 108; 1766. Blasius säuget, deutschl. 516; 

 1857. In mari germanico. 



2. 0. ARTIODACTYLA Owen Proc. Linn. Soc 



V. 2 u. 5 p. 28; 1857. 

 MAM>rALiA paridigitata, claviculis nullis, mammis abdomi- 

 nalibus, decidua nulla, placenta diffusa aut cotyledonea. 

 2. f. ELAPHIDAE. 



Cornua solida aut nulla; molares complicati; stomachus 

 ruminatorius ; ossa metacarpalia et metatarsalia digitorum 

 insistentium connata; placenta cotyledonea. 



1. g. CERVUS Linne syst. nat. 92; 1766. 



Dantes: i ^, c 4 ^^'i* Tj ™ t5 ^^^^^ lacrimales; 

 cornua solida ossea ramosa decidua; digiti 2 interni lu- 

 8i8tente8,2exterui mutici; mammae 4 inguinales; caudabrevis- 



