148 



INDEX. 



Reproductive bnd 



Reproductory organ 



Retina 



Retractor muscles 



Ribs 



Ridges 



Ripple marks . , 



Romanes 



Rotifera 



Rufford collection 



Euffordia 



Ruffordia Gopperti 



Page 



15. 17, 22, 83 

 116 

 116 



95 

 109 

 109 

 135 



20 

 103 

 123 

 125 

 141 



Scallop .. 



Schizaceae (?) .. 

 Sea-fir .. 



Sea-hair .. 



Secondary tentacles 

 Select buds .. 

 Select polypite . . , 

 SelenariidaB . . 

 Septa.. .. 



Septibranchiata.. 

 Sertularia abietina 

 Sertularia argentea 

 Sertularia cupressina 

 Sertularia gracilis 

 Sertularia operculata 

 Sertularia pumila 

 Sertularella fusiformis 

 Sertularella Oayi 

 Sertularella polyzonias 

 Sertularella rugosa 

 Sertularella tenella 

 Sertulariidae .. 

 Sexes of reproductive bud 

 Sexual reproduction 

 Shell-plates of Chiton 

 Shore Hydroids.. 

 Sinus.. .. 



Siphonophora .. 

 Skeletal framework 

 Skeleton, The .. 

 Snake-like zooids 

 Solen.. .. 



Solitary polypites 

 Specialized individuals 

 Specimen 1 .. 

 2,3 .. 



Ill 



141 

 71 

 70 

 19 

 23 



14, 83 



96 



30,117 



119 

 71 

 72 

 72 

 70 

 70 

 69 

 68 

 67 

 6ft 

 67 

 68 

 66 

 16 

 97 



113 

 57 



110 



33 



9 



9 



85 



Ill 



16 

 35 

 39 



Specimen 4, 5 



6,7 .. 



8,9,10,11 



12 .. 



13, 14, 15 



16, 17, 18, 19 . . 



20,21.. 



22 .. 



23 .. 



24 .. 

 25, 26, 26A 



27 .. 



28 .. 

 29, 30, 31 

 32, 33 



34, 35, 36, 37. 38 



39, 40, 41 



42, 43, 44, 45,46.. 



47, 48 



49, 50, 51, 52, 53 



54, 55, 56, 57, 58 



59, 60, 61, 62,63.. 



64, 65, 66, 67 . . 



68, 69, 70 



71, 72, 73 



74, 75, 76, 77 . . 



78, 79, 80 



81 .. 

 Spermarium .. .. 



Spines 

 Statoblasts 

 Stinging apparatus 

 Stolon 

 Stolonifera 

 Structure of polypite 

 Structure of typical Hydroid 

 Syphon 

 Systematic table of Ccelen- 



terata 



Systematic table of Ectoprpcta 

 Systematic table of Hydroida 

 Systematic table of Polyzoa 

 Systematic table of Pterido- 



phyta 

 Swimming-bell 



Table A 

 Table B 

 Table C 



Page 

 44 

 45 

 46 



47 

 48 

 49 

 53 

 56 

 57 



