692 INDEX TO THE WOODCUTS. 



No. ^ Page 



xi. Ganglion, nervous .......... After NITSCUE . . xxviii 



xviii. Ditto, supposed, in stem ...... T. II ........... xliv 



xlv. Homologies of Phylactolce-] Af R T , 



mala, Rhabdopltura, and ^ ST KR ^ cxi 

 Lamellibranch .......... | 



xliii. Larva, ideal primitive form of. . After BARROIS . . ci 



xiii. Muscular fibre, striated ...... After NITSCHE . . xxxi 



xii. Muscles great retractors .... T. H ........... xxx 



After J LIET ' ' ' ' 



\ 



i. Polypide, plan of (exserted) . . T. H ........... iv 



ii. Ditto, ditto (retracted) ...... T. H ........... vi 



ix. Ditto of Bowerbankia ........ T. H ........... xxiii 



vi. Ditto of Bugula plumosa ...... T. H ........... xix 



vii. Ditto of Beania mirabilis .... T. H ........... xxi 



i A f f or V A TM I 



xlvi. Ditto of FarreUa, retracted j J^NEDEN [ PP 09ite P- 



xiv. Stem of Bowerbankia. Septum. After JOLIET .... xxxvi 



xv. Ditto Ctenostomatous, with I After REICHEBT . . xxxvii 

 endosarc .............. | 



xli. Vibraculum. Scrupocettaria I Afler 

 scruposa ................ ( 



xliv. Zooecium, young, of Mucro-\ m TT cv 



nella | 



xlii. Ditto, shortly after the fixa- 1 .. B 



, . * . i "i f xilLci J_)AilvUlo . . ACVlil 



tion of the larva ( 



GENERAL TEXT. 



30. Anguindla palmata After VAN BENEDKN. . 540 



4. Beania mirabilis. Single zooecium.. T. II 66 



1. Bicellaria (Australian) T. H 64 



5. ciliata. Primary cell T. H 68 



2. Bugula Murrayana. Single zooecium T. H 66 



28. Buskia nitew T. H 633 



20. Cellepora. Colony of T. H 416 



19. Celleporella lepralioides After ALDER 414 



21. Crisia eburnea T. H 416 



22. Structure of ooecium After SMITT 418 



36. Ctenostome cell After REICHERT .... 662 



29. Cylindrcecium pusillum T. H 538 



3. Diachorie spinigera T. H 65 



24. Diastopora Sarniensis. Gonocyst. . T. II 461 



