370 



THE VOYAGE OF H.M.S. CHALLENGER. 



Table VIII.— Species found at depths between 800 and 1100 fathoms. 



Antedon alternata, VII. 



spinicirra. 

 Pentacrinoid larvae of Antedon, sp. 



Eudiocrinus varians. 



serwperi, VII. 



Table IX. — Species found at depths between 1100 and 1500 fathoms. 



Antedon acutiradia. 

 basicurva 1 ? 



Antedon breviradia, VII. 

 iniequalis % 



Table X. — Species found at depths between 1500 and 1800 fathoms. 



A n tedon abyssorum . 

 bispinosa. 

 remota. 



Promaehocrinus abyssorum. 

 Thaumatocrinus renovatus. 



A. 



B. 



Table XL — Species found at 2600 and 2900 fathoms. 

 Antedon abyssicola. 



Summary. 



I. 97 species found at depths down to 20 fathoms. 

 II. 17 species found between 20 and 50 fathoms. 



I. 97 species found at depths down to 20 fathoms. 

 I. -II. 9 of these descend to 50 fathoms. 

 I.— III. 5 of which reach 100 fathoms. 

 L, V. 3 also occur at 210 or 255 fathoms. 



Only if obtained from 1350 fathoms at Station 175. 



