ANALYTICAL INDEX. 



273 



CHAPTER IL— continued. 



Most large, powerful, and ravenous of its kind. 

 Purple seems the natural colour, 

 Inactive, it is contracted and apparently helpless. 

 Food, ..... 



Ovarium, . . . • • 



Spawn long of attaining maturity, . 

 Extremely subject to mutilation of the rays, 

 Plate XVI., explained, 



PAGE 94 



ib. 

 ib. 

 95 

 96 

 ib. 

 ib. 

 ib. 



§ 2. AsTERiAS RUBENS, — Reddish-yellow Sea-star, 



Extremely variable in colour, . . . • 



Resembles the previous specimen. 



One specimen fifteen inches between the extremities of the rays, 



Form, organs, ovarium, &c., .... 



Subject to mutilation of the rays, .... 



Reproductive energies powerful, 



Mutilation not incident to size or age. 



Same facts apply to both the glacialis and ruhens, 



Plates XVI., XVII., XVIII., XIX., explained. 



§ 3. AsTERiAS (cribella) ocolata. — This animal is readily recognised. 

 Its appearance and organs described. 



Food, ....•••• 

 The young bear no resemblance to the adult, 

 Shelters itself under rocks and stones, .... 

 Plate XX., explained, . . . . • 



§ 4. ASTEEIAS ARANCIACA, ...■•• 



Size, organs, colour, &c., . . . . • 



Propagation, .■.•••• 

 Not common, ...••• 



Plate XXI., explained, . . . . • 



97 

 ib. 

 ib. 

 ib. 

 ib. 

 99 

 100 

 ib. 

 101 

 102 



ib. 

 ib. 

 103 

 ib. 

 ib. 

 104 



ib. 

 ib. 

 105 

 ib. 

 ib- 



§ 5. AsTEKiAS ENDECA, — Nine-rayed Star-Jish, . ■ 106 



One of the larger and more beautiful inhabiting the Scottish seas, ib. 

 Description, ...••• ^"• 



Ova, ib. 



Not common, ...••• 1"' 



Plates XIX., XXII., XXIII., explained, . . .108 



§ 6. AsTERiAs (Solaster) papposa, 



ib. 



