rursr.uT.A COPEPODA 



CHAP. 



The females carry t \\ o long egg-sacs; the general struct uiv may 

 he made out from tho \entral \ u'\v of (\ifi<intt H,im<t ^ Ki^. -l;'\ 



Some of the Caligidae are distinguished by tho tor^a of the 

 thoracic segments being expanded to form lar^v (.hitinous olytra, 

 ivu'. Cettrops, found ]>arasitii' on tho s^'ills of tho 'runny and on tho 

 Sun-lish (p thagoriscus nwla) , (W///ws I;I/<<IA- is parasitio on tho 

 slviu and in tho uills of Sc-a-Tvont . Pollan. oto. ; and C. I, i en, if rig is 

 rouuuou in frosli-Nvator lakos and st roams on Fiko ami Carp. 





---Th.5. 



Abdl 



-. . : 



1-: ;lh.liMl\in;>l sojtnio:.. 



1>: 



l.-t :),1 - J;ia iu:)\iri;-,,> : .}{..-:. maxi 



! 



\ 

 , 



Fu;. 1 1. /" - 



!l ; .i.;,vk. ?, X 1. < 



\ v i sacs 



\ , S 



Fam. 11. Lonuioidao. -Thoso |virisi;o> burrow with thoir 



hoads doop into tho skin, or o\ou into tho blood-vossols or body- 



v.ivuy. of \arious niariuo tish. Tho body of tho adult foiualo 



is extl .inarily dofonuod. consisting of a uioro shapo- 



lo>s v., uith irregular branched prooess - Q tho lioad, and two 



.:t.uhod behind (Kg, -U\ /' s boros so 



ilooph into tho tlosh of its liost. Gkiron - -. ihat 



only ;ho egg sacs and some remarkable branchial pnx SS - 



attached to its ..".ueu protrude outside tho host to tho 



- - - on slu- 



