lOS I TEZ 



ml before Ihe fonnatkm of the commnnicatioa jiaJte, and jie^d it ap to 

 the npidlj grovii^ bod. 



The icgenenled polypdes, like the nuzgiiud ones, arise in Cheilo- 

 sfcomes in a definite position, — oa the wall of the operculom frcnn tissue 

 left bdiind to gtre itae to the poljiMde, bat not vhoUj used up in its 

 fannation Tliej arae vIm^ from the body vaU, come to lie next to 

 the " brovn bodr," and canse its dis! 



TCT-rs t-ixrwo ♦■ 1 



...r iiTr - • - : which I haTe arrired 



T-irf :^ :: T : : ; : ass of indifferent 



cdl maceriaL ^ m the indifferent cella of the 



rnibr^o, i_ -' '■- the <»gans <rf the diffoent 



's, :L:!i:i - -^ :_ vss by CMistant growth and 

 ; _ T rial for lateral bianchesL 



7 Tuition of IndiYidoals is in large 



c. The inner layer cf the Phr'actclgeniatcTis larva represents meso- 

 derm onlh': the entoderm haa become r-^dinzentary through loss oi the 

 alimentary fandtiMi. 



d. The poIy|Hdes arise in Phyla:' he pole ci ingression, 

 vhidb is probably hom<Jogoo8 vith ' ~ : '.Tyninolsemata. 



e. The inno* layer of the pt^ypi > of ceUs derived 

 from the rim of the Uastxqwre, ai: ried as still 

 indi&rent, and as first beoomii^ d:~ . . _rm si>d ento- 

 derm in the formatioo of the yonr _ 



/. Gemmiparons tissue is a rapidly a^milating tissne 

 large nnclei becanse actively assimilating', and stainii^ de^ly because 

 foil of food materiaL 



g. The End<^iroct and Ectoproct lar¥S are to be compared by assnm- 

 ing that the act of rotation of the axes occurring in the former has been 

 leaped over in the ontogeny, ihe month and anns ariaii^ at once on the 

 pole of^osite the Uash^pore. 



CunaioGii:, Maml, Jane 1, ia9L 



