On the Distribution of Animal Life in the Sea-depths. 423 



38. " CI. bacillaris (Ach.), £ phyllocephala." 



K — C — . 



39. " CI. bacillaris (Ach.), f. coronata (Ach.)." 



K- C-. 



40. " 01. macilenta, Hoffm." 



K + C + . 



41. " CI. rangiferina (L.), Hoffm." 



K+ C-. =Coem. 140. 



42. " CI. sylvatica, HofFm., v. tenuis, Flk. ?" 



K f+ C + . =Coem. 150 ; Hepp, 818 ; Leight. 57. 



43. " CI. sylvatica (Hoffm.), v. tenuis, Flic." 



Kf+C + . 



44. " CI. sylvatica (Hoffm.), v. tenuis, Flk." 



Kf+ C + . 



45. " CI. sylvatica (Hoffm.), v. tenuis, Flk." 



Kf.+ C + . 



46. " CI. sylvatica (Hoffm.) f. compacta." 



Kf+C + . 



47. " CI. sylvatica (Hoffm.), f. ramulis extremis subfuscis, clongatis, 



nutantibus." 

 Kf+C + . 



48. " CI. sylvatica (Hoffm.), f. ramulis extremis brevibus, distanti- 



bus, laxis." 

 Kf+C+. 



49. " CI. sylvatica, (Hoffm.) f. erecta." 



Kf+C+. 



50. " CI. sylvatica (Hoffm.), v. alpestris (Ach.)." 



Kf+C + . 



LIII. — Remarks on the Distribution of Animal Life in the 

 Depths of the Sea. By M. Sars* 



Upon the question, so interesting and important in many 

 respects, how far animal life extends downwards in the sea, 

 and of what kind are the animals which occur in the great 

 depths, the observations of the last few years have, as is well 

 known, furnished us with some valuable information. This, 

 however, is still extremely scanty, and embraces only a 

 very small number of animal forms accidentally brought 

 to light ; they are, it would appear, little more than iso- 

 lated glimpses of the life that stirs in the abysses of the 

 ocean. 



In order, if possible, to obtain a more comprehensive know- 

 ledge of this subject, investigations have been made near our 



* Translated from the ' Videnskabs-Selskabs Forbandliuger ' for 18G8, 

 pp. 246-275, by the Rev. A. Bethune, M.A., late President of the Tyue- 

 side Naturalists' Field-Club ; aud communicated by the liev. A. M. 

 Norman. 



