CONTENTS. vii 



CHAPTER IX. 



SEA-WKEDS MARINE ALG.E. 



PAGE 



Marine Algse-Callithamnion Cerarnium Ptilota Plumosa 

 Plocamium Vulgare, Coccineum Polysiphonia Spheio- 

 coccus Griffithsia Gracillaria Laurentia Odonthalia 

 Bonnemaisonnia Delesseria Rhodomela Spyridia Fila- 

 mentosa Chaetospora Wiggii Halymenia Dasya Dasya 

 Arbuscula Dasya Occellata Dasya Venusta Goadby's 

 Solution for Marine Algse 181 



CHAPTER X. 



FOBAMINATED SHELLS. 



The Operculina Fossil Foraminated Shells from Barbadoes 



Orbitolites Nummulites ... 194 



CHAPTER XI. 



8PICULES OP SPONGES. 



Spicules of Sponge Gemmules of Pachymatisma Spicules of 



Grantia Nivea .. 193 



CHAPTER XII. 



SECTIONS OF BONE. 



Man's Metacarpal Fin-bone of Lepidosteos Femur of Tetrao 



Urogallus ... ... ... ... ... ... ... ... 201 



Sections of Teeth. Sections of Human Tooth ... ... 204 

 CHAPTER XIII. 



HAIRS. 



Human Hair Hairs of Dormouse and Common Mouse, of Mole, 

 of Bat, of Elephant, of' Camel, of Reindeer, of Ornitho- 

 rhynchus, of Larva of Dermestes ... ... ... ... 206 



CHAPTER XIV. 



sncuLES OF HOLOTHURLI;. 



Spicules of Synapta Spicules of Chirodota Calcareous Spicules 

 of Doris Calcareous Skeleton of Doris Spicules of Gorgonia 

 Spicules of Alcynonium Digitatum Section of Echinus 

 Spine 208 



