LECTtKl IV. 



marine. It i> characterized by haying teeth, 

 inil.ir ill form and disposition to tlm^i- ol'ti 



..Inlc the I". ei an- so ionm d a> to resemble 

 .1 kind of leatlnry tin-, through which an- very 

 distinct I es, which an- terminated 



-lightly I- Dgthened nails or < ', 

 tin- whole -eiiu- Plmea is aijiiati. 



'itntrd a-> to rctjiiin- i'ci:a>-ion:d interval 

 i <-<.iiM<!>Ta!>l<- decree ot' < 

 ti iiiiinci- on dry land; toi>ukni'_; at particular 



the water, and congregating iu multiti 

 on til-- shores, on lloating ice, or on in-u ! 



nid tin- ->p-cially at the season in which 

 the young arc produ. The mo>t com 



species, or that which x-ein^ t<> have been kn 

 from times <>f remote antiijuity, i> the Phoca ri di- 

 ll na of Linmvus, tlie comn:< 



tn-imeiitly termed. It is a nati\c of the 

 Kurope - and is chiefly seen in the mu-ti 



I iiit it- -eiu-ral length 



ns t- he from fi\. to six feet, and its colour 

 grey or greyish hrown: the In ad is larg< ami 

 rounded, \\ithout any a|)pearai) 



k small and short ; the j 

 -hoi, \ tliick, th- 



