46 



THE 11 \ PROM ED USA E 



Reproduction. — The asexual reproduction of this group is 

 apparently of the nsuul laminar type : medusoids, nectophores, 



Fio. 49. 



Kio. ,'.1. 



40. — l)iat;raiii of I'liysjiliii (iii(j<lillt><l IVniii Ciivit-r and HniH-kcl). 



.V).— Ui>i>or Riirfacf of Vi>lt>lln, Nhuwiiit; inifiiinntoplKirp niul sail (nfliT Cuvior). 



M.— C()rnii<liiiiii of Pliy.sjilia, willi n goiio<it<iidron (ino<litli>(l from Haoi-kol). 



D, daotylnzooid ; (,', nastrozooid ; HI', ^miic))iii1|miii or diu-tylozooid on tlie >:onod(>ndroii ; 

 Af 9. fpiiiiili" inMluNoid, iiltiiiuiti>ly fri'tHl ; ,U (J . nmU- siKirosai- ; I'S, i>iu'umatoi)lion- ; T, tentaclf 

 (palpacle) of daetylozooid or imlpoii. 



and (sometimes) hydrophyllia are formed after the maimer .'sketched 

 on p. 20. The development of the fertilised ovum id known only 



