no 



ANALYTICAL INDEX. 



CHAPTER IX.— continued. 



Animal identical with the Pholas dactylus, described, 



Colour, ..... 



Veniiiciilar name Spout Fish, 



Dwells in the sand, .... 



Difficult to preserve specimens alive, 



Plate XVIII. described, 



PAGE ( / 

 ib. 

 ib. 

 ib. 

 78 

 ib. 



The Oyster Fishery, observations on. 



IS, 83 



CHAPTER IV.— MISCELLANEOUS, 



Lepas cypkea (Scaphdliim vidgare ?J 



Specimen on 23d October 1828 — of the the same order 



Animal described, .... 



Exceedingly rare. 



Rooted on a Tuhularia indivisa, 



Feelers cylindrical, 



Plate XIX. described, 



Serpula contorta. 



Numerous on the rocks east of Portobello, 



Active and timid, .... 



Apparently of two species. 



Colour, &c., .... 



To be found at Queensferi-y, 



Plate XX. described, 



84 



CHAPTER v.— SPONGES. 



Spongia pluviatilis (Spongilla fluvialilis) , 



Procured at Locbend 8th August 1839, 



Stones encrusted with it — very fragile, . 



Colour dull dark green, and faint yellowish green. 



Rises in low pyramids or thickened ridges, 



Ova dispersed throughout substance, 



Motion of ova not sufficiently definite to admit of conclusions, 



Plate XXI. described, .... 



Spongia attenuata, .... 



Found in a pond near Craigleith, August 1838, . 

 Invests stones, ..... 



Of a dingy yellow colour, .... 



87 

 ib. 

 ib. 

 ib. 

 ib. 

 ib. 

 ib. 

 88 



89 

 90 

 ib. 

 ib 



