i6o 



FERTILIZATION 



CLASS ORDER, 

 ETC. 



NAME OF ORGANISM, SYNONYMS AND COMMON 

 NAME, WHEN KNOWN 



105) Psamtnechinus pulcherrimus A. Agassiz, see 



(56) 



106) Psammechinus pustulatus (L. Agassiz), see 



(104) 



107) Pseiidocentrotus depressus (A. Agassiz) 



Sea-urchin 



108) Pteridium aquilinum (Linn.) 



Bracken 



109) Rana fusca Roesel, see (112) 



1 10) Rana pipietis Schreber 



Leopard Frog 



111) Rana platyrrhina Steenstrup, see (112) 



112) Rana temporaria Linn. 



Rana fusca Roesel 



Rana platyrrhina Steenstrup 



Common Frog 



113) Rhabditis tnonohystera Butschli 



114) Sabellaria alveolata (Linn.) 

 Tube-worm 



1x5) Sabellaria vulgaris Verrill 

 Tube-worm 



116) Saccoglossus horsti Brambell & Goodhart 



Acorn Worm 



1 1 7) Saccoglossus kowalewskyi (A. Agassiz) 



Balanoglossus kozvalevskii A. Agassiz 

 Dolichoglossus kozvalevskii (A. Agassiz) 

 Acorn Worm 



1 1 8) Sagitta Quoy & Gaimard 



Arrow Worm 



119) Salmo gairdneri Richardson 



Rainbow Trout 



120) Salmo salar Linn. 



Salmon 



121) Salmo trutta Linn. 



Brown Trout 



122) Salvinia nutans Allioni 



123) Saxostraea commercialis (Iredale & Rough- Bivalvia 

 ley) 



Ostraea commercialis Iredale & Roughley 

 Rock Oyster 



page s 



124) Senex interruptus Ortmann, see (89) 



125) Siredon mexicanum Shaw 



Amblystoma mexicanum (Shaw) 



AXOLOTL 



Amphibia 

 Caudata 



86. 



