1884.] 'lightning' and 'porcupine' expeditions. 149 



P. 105. Trochus miliaria. Fossil. Miocene. Maine-et- Loire 



(Bardin) . 

 P. 106. Trochus sizyphinus. Off Azores ('Talisman' Exp.); 



43-76 fms. 

 P. 109. Phasianella pulla. Off Sahara ('Talisman' Exp.); 



1261 fms. Most probably drifted. 

 P. 110. Cithna tenella, and var. costuluta. Off Marocco and 



Azores (' Talisman' Exp.) ; 681-1622 fms. 

 P. 111. Cithna car inata. Off Sahara (' Talisman ' Exp.) ; 1261 



fms. 

 P. 141. Iphitus. Another species was procured during the 



same Expedition of the 'Talisman' in 681 fathoms 



off the West coast of Africa. 



EXPLANATION OF THE PLATES. 



Plate IX. 



Fig. 1. Rissoa fischeri, p. 113. 



2. parvula, p. 114. 



3. tmbsoluta, p. 115. 



4. testa, p. 115. 



5. • — — angidata, p. 1 19. 

 fi. turricida, p. 120. 



7. dcliciosa, p. 121. 



8. affinis, p. 124. 



9. Hydrobia compacta, p. 128. 



Plate X. 



Fig. 1. Homalogyra densicoxfafa, p. 129. 



2. Stilbe acuta, p. 130. 



3. Scalaria longissima, p. 132. 



4. vittata, p. 133. 



5. algerlana, p. 134. 



fi. nana, p. 134. 



7. semidisjiincta, p. 135. 



8. — aciis, p. 139. 



9. tenera, p. 139. 



10. formosissima, p. 140. 



11. Acirsa pralonga, p. 141. 



