HERPETOLOGY OF PORTO RICO. 



Al!<(iplii!< luitiUensis — CVmtimuMl. 



707 



Hamburg. 



Do.... 

 Do.... 



Do.... 

 Do.... 

 Do.... 

 Do.... 



Do.... 



Do.... 



Do.... 



2114?) 

 2416a 



2410?) 

 2339a 

 2339?) 

 25390 



2539?) 



2620 



2898 



Ago iiiul sex. 



Locality. 



When col- 

 lected. 



.do., 

 .do.. 



1896 

 1896 



.do.... , 1896 



.do....' , 1895 



.do....! , 1895 



, 1S96 



do.... 



do.... 



do.... 



do.... 



— , 1896 

 — , 1897 

 — , 1898 



By whom 



collected or 



recorded. 



Mccrwiuth, 



p. 12. 



do 



Meerwarth, 



p. 13. 



do 



do 



do 



Meerwarth, 



p. 12. 

 Meerwarth, 



p. 13. 

 Meerwiirtli, 



p. 12. 

 do 



sS Remnrk.s. 



Order CHELONTA. 



The turtles of Porto liieo, witft the exception of the pond turtle 

 {Pseudemy,'< jhilu.sfr/'s)^ lire strictly marine forms, whose lim))s are 

 specialized to the extent of having- become paddles, the individual 

 dig-its being externally ol)literated, or nearly so. 



Altogether only tive species have been recorded from the island and 

 its coasts, namel3^ four marine turtles and one fresh-water species, 

 each belonging" to a separate genus. They may l)e easily told apart liy 

 the following 



KEV TO THK TURTLES KEPORTEn FROM POKTO RIfO. 



rt' Shell without large horny .shields; no claws; liaek with o longituilinal ridges 



(tig. 175) DrniKX'ltehjK coriacm, p. 708. 



o'^ Shell covered with large horny shields; digits with at least one claw; hack with 

 at most 3 longitmlinal keels (tig. 187). 

 1/ Limbs with well-developed digits, five on each foot ( lig. 184) 



l's('iiilriin/s jKiIiixtris, p. 710. 

 fc^ Limbs paddle-shaped without separate digits (tig. 107). 



c^ At least five pairs of costal shields (tig. 187) Caretla careltn, i>. 715. 



c^ Four pairs of costal shields (tig. 193). 



d^ One pair of prefrontal shields (fig. 191) ( 'luinnin mydas, p. 716. 



cZ^ Two pairs of prefrontals (fig. 195 ) J'Jirttii()cJui>js hnhricata, j). 719. 



Genus DERMOCHELYS" Blainviile. 



ISIB. Dermochdys Bl.\inville, Bull. Soc. Philoni. Paris, 1818, ji. Ill (type 



Tesiudo coriacea ) . 

 1820. SphnrgiK Merrem, Syst. Aniph., p. 19 (same type). 



"SsfjjiKX. skin; .y^^^^?) turtle. 



