SOME PROBLEMS OF COELENTERATE ONTOGENY 
CHARLES W. HARGITT 
From the Zoological Laboratory, Syracuse University 
THREE PLATES AND THREE TEXT FIGURES 
CONTENTS 
ienoirehronewes mrs, el me Ss A a MOR eee eee oe ee 494 
MARGE ean CnIMOCHOOS 4s. sc... 205 sb pars.- anid Ree ae ec eke ee ae 495 
Reena IRCT Se i) ee ORIN SS doce uh deeded = + ely SO 497 
JN, TR TCR ies Meat: Ate a OE WORMED LL. i504 ult oes oe icacie 6 497 
OCHO rte SRM 9 cel. winds s EG aha 4 3 wien «ye ee 499 
Dem NIG GAIWaSHOCUS. cece. os ken <2 apie acs ao. el ee nae eee ee eee 499 
BEPPATIT COSTS eee PAM hes SA. S bvinls Soke Pa aoes DR oO eee Oe eee 501 
Beekivanractiniasechimatarblem of .a0:.'0.. 0 00. + sane She ee ee eee ee 502 
TPR SIGE Ga ec se a erie Three ary oe eS ae! 503 
DC LOSANC HIER HUIE COPYY ooo acts declan! cot Sloe GA On Pee 508 
Ay MELA lpr PERC TID OTM) fe 52. esc cg) sacs! Soace ay est epee 508 
42 Oreniizainon ofthe embryol. . . 6s. 02:5 eee eee a ee 509 
Ree Titod CrMerOnMaytiONe, i... .0cns os.gcloa pee eC eee eee 509 
Op hevianus, oplantilas 016. 02.) agp 2 2, dese ee le I SI 510 
Soa Lit MEO LOS IAA Oe SRS 2 yc 6c 5 a ns «a0 oe aS 5 ht Cee ee 511 
stro RsaCUiT a EM IDe eee re ee ee os ahs 5 oe a 511 
a Niicleariie hav Obie ts. k 2 oon 23 Es see een eee See 512 
SMa NER CRI OLU YLT tas MME os oa y's gle oaecd- Shots ee Noes eae a eS ar 513 
Sy AS Grrel lo) al Dre ne Ee een arte ae oe: 516 
SL SNe CLEVELOPINEHMG, 6. ct. 2 soc iss +'- + oy Wel poe ae eee cee ete ia 517 
Ge bhenmoriulaes s43 sooo aes. so ee et eee 518 
eee Chine Layer ecto Ge Ws ice: sic) <i y5 oaRe ee \ Leer 518 
Ze ML DVGH OC (eich | ae Ae a a RR rd oa AMAT cure 5 519 
DERI ROCLETEE awe a. os ee os sls cates CaS eee ere ener 520 
Pe VAC WHANLGNG@ISCUSSION EM sare tei thecci lao oc fi. et eee ee ee 523 
ie Oricingend: prawth ofimerm=cells.| 05). wo, ... 6... und ae eee ere een 524 
Pe DMoOctrines Of OMOlOR Wag ce de oe ccs fice n> + Bet Sea oes ae ee 529 
Bye PerMnlavernn so. seek. ee on he 3 | sk 2 eg eee eee er 531 
|o3e 4B Vogy olf: 0100 tse gee” Go ee ORS 8) OR Sree a ean a ee 531 
Gay IN GYS aoe TUT Ee ite rca s osm 2) ee a ROMPOIE IISc 5 to cn iota mue es coe As Bi 532 
Gil Rhee tiastGeae lees ce esha oe vain. c)d ad cc)s ye Oe ee 534 
én Clesvare homologs 2. ie: iio as Te as pak ee cee oe gr 535 
BPE CU OSI Si eyo eRe arenas: ict co 6 Seas. ackemiso tas Jae aes 537 
SURED LEV ets CR A RE cs os he See ere © 2 ae ne ie 541 
TBAT OLGTOy ales 6111) eee tats IPO A SEAT E A Rt So ee a Pe sr oor ks Var e cumenm a ADR acc ene) Aa 542 
JOURNAL OF MORPHOLOGY, VOL. 22, No. 3 
SEPTEMBER, 1911 
