136 
THE VOYAGE OF H.M.S. CHALLENGER. 
Can. is t Islands. 
Statiox 1. 
Xcpttn> s (Am phi (rite) ]ia status (Linn^). Four specimens (Gomera or Tenerife, 75 or 
78 fathoms); obtained at no other locality by the 
Challenger. 
Gasteropoda (Watson, Zool. pt. 42). 
Trochus ( Trochocochlea ) colubrinus, Gould. (Rocks at Santa Cruz) ; obtained at no 
other locality by the Challenger. Recorded from North 
Atlantic. 
li mella ( Lampas ) thorns, d’Orbigny. (Rocks at Santa Cruz) ; obtained at no other 
locality by the Challenger. Recorded from West Indies 
and Madeira. 
Litorina striata , King. (Shore, Santa Cruz); obtained at no other locality by the 
Challenger. Recorded from North and South Atlantic. 
Bkachiopoda (Davidson, Zool. pt. 1). 
Megerlia truncala (Linne). Many specimens (off Gomera, 70 or 75 fathoms) ; 
obtained at no other locality by the Challenger. A widely- 
distributed species. Fossil — Upper Tertiaries of Europe. 
Argiope decollata (Chemnitz). Many specimens (off Gomera, 70 or 75 fathoms); 
obtained at no other locality by the Challenger. Re- 
corded from North Atlantic and Mediterranean. Fossil — 
Miocene and Pliocene of Europe. 
Ttnicata (Ilerdman, Zool. pt. 17). 
Ciona jlemingi, n.sp. One specimen (Gomera, 75 or 78 fathoms); obtained at no 
other locality. 
In the foregoing list 11 species are enumerated from the shore and shallow water at 
the Canary Islands, of which 1 is new to science. 
Station 1' (Sounding 45), Tenerife to Sombrero (see Charts 5 and 6, and Diagram 1). 
February 15, 1873 ; lat. 27° 24' N., long. 16° 55' W. 
Temperature of air at noon, G3°'5 ; mean for the day, 61°'5. 
Temperature of water : — 
Surface, . 
64-5 
600 fathoms, . 
44*-9 
100 fathoms, . 
61-8 
700 „ 
43-2 
200 „ 
56 0 
800 „ 
41-8 
300 „ 
51-7 
900 „ 
40-7 
400 „ 
49-0 
1000 „ 
39-9 
500 „ 
« 
46-8 
Bottom, 
36-8 
* Tli*- j>n< eding Station*, indicated by roman numerals (I. to VIII.), were regarded during the expedition as 
• . : n . i irv is :i‘ i - to t*<-:. tbe working of the apparatus, the regular work of the Expedition commencing at this 
Station (*ce page 100 ante). 
