. An introduction to the study of mammals living and extinct. Mammals. DELPHI Ikliilniiu^}âTooth vory numorous in both jaws, } ;| to J;;, oooupyinp; iioarly tho whole longth of the rostrum, small, oloso-sot, conical, poiiitod, slightly oiirvod. Kostriim oloii;;atO(l, usually about double tho lciiL!;th of the oranial portion of tho skull. Ptcrj-goids of normal form, mootiui;- in tho middle line throughout thoir length. Talate with docp lateral grooves. Vortcbra- 73 to 75. Pectoral tin of moderate size, narrow, jiointod, somewhat falcate, yoeoiul and thiril digits well ilevelopod ; tho res
. An introduction to the study of mammals living and extinct. Mammals. DELPHI Ikliilniiu^}âTooth vory numorous in both jaws, } ;| to J;;, oooupyinp; iioarly tho whole longth of the rostrum, small, oloso-sot, conical, poiiitod, slightly oiirvod. Kostriim oloii;;atO(l, usually about double tho lciiL!;th of the oranial portion of tho skull. Ptcrj-goids of normal form, mootiui;- in tho middle line throughout thoir length. Talate with docp lateral grooves. Vortcbra- 73 to 75. Pectoral tin of moderate size, narrow, jiointod, somewhat falcate, yoeoiul and thiril digits well ilevelopod ; tho rest rudimoutal. The typo of the goims is tho Common Dolphin of the !Moditer- ranean (/'. ilcljiltls, Fig. 117), also found in the Atlantic, and of. Vui. '.17.âTill' Coinniou Dolrhin (Iktithinu$ ihti'lii,'orth Pacitic {D. bainU). Other species arc Jh jaiiira, D. major, etc. Tur^âIvostrum tapering moderately from base to apex ; palate not grooved; symphysis of mandible short; other cranial charai'tors as in Ihlphiiui^. Teeth H ] to .;?, stout (6 to 7 mm. in autero-posterior diameter). "\'ertelira^: C 7, D lo, L 17, C '27 : total 1)4. Limbs as in Ihlpliiiiii^. Kopresonted by the widely distributed T. tiirsid ; T. t-iildhniiii being a second form. Fossil remains of this genus from the Italian riiocene have been recently described. rivih'ljiliiiiiisS"âKostruui somewhat variable ; mandibuhu" sym- physis short (less than one-fifth the length of the ramus) ; other cranial characters as in the preceding geinis. Teeth i;;;- to 5j;, small, not exceeding 3 mm. in diameter. Vertebra' 73 to 7S. Limbs as in 7V//»/i/»».-;. Four leading types of this genus are recognised (all of which have numerous synonyms) viz. 7'. nhsntrm, /'. (iiphiwi/iii'. I\ i/i'iis, and P. Itiiiiiiro:hiiiiis kiiri'iiiiniij>hiis, Peron. or Li'uco- rlhviiplnis prroiii, Lilljeborg) resembles some forms of Frdih'lphimi^i in its cranial characters ; but having no dorsal tin, it has been sepa
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Keywords: ., bookauthorly, bookcentury1800, bookdecade1890, booksubjectmammals
