THE VOYAGE OP H.M.S. CHALLENGEE. 



Terehratella dorsata, Giueliu. 

 . Terebratulina caneellata, Koch. 

 Discina Stella, Gould. 



Terebratulina caput-serpentis, var. sejitentrionalis, Couthouy. 

 Megerlta truncata, Lin. 

 Argiope decollata, Chemnitz. 

 Terehratulina, sp. (?) (PhihjDpine Islands). 

 Terehratella, sp. ("?), perhaps T. frielii. 

 Platxjdia anomioides, Scacchi. 

 Waldheimia kerguelenensis, Dav. 

 Mergerlia toillem'oesi, Dav. 

 Terehratula uva, Broderip. 

 Terehratida vitrea, var. minor, Philippi. 

 Kraussina pisum, Lamarck. 



Rynchonella nigricans, yar. pixydata, E. B. Watson, M.S. 

 Terehratula moseleyi, Dav. 

 Terehratulina cailleti, Crosse. 

 Terehratidina ■wyviUii, Dav. 

 Magasella incerta, Dav. 

 Terehratida cuhensis, Pourtales. 

 Terehratulina murrayi. Day. 

 Terehratella frielii, Dav. 

 Terehratida or Terehratulina (?) dalli, Dav. 

 Megerlia (?) incerta, Dav. 

 Discina cdlantiect. King. 

 Terehrcdida wyvillii, Dav. 

 Terehratula (?) undeterminable fragments. 

 Waldheimia wyvillii, Dav. 



The following table shows approximately how many times Brachiopoda were dredged 

 at certain depths : — 



Thus it becomes apparent that Brachiopoda do not, as far as om' experience goes, 

 generally abound in depths exceeding 500 or 600 fathoms; for out of 125 dredgings, 

 in depths of from 1 to 600 fathoms, Brachiopoda Avere brought up twenty-two or 

 twenty-three times; while in depths varying from 600 to 2900 fathoms they were 

 obtained about sixteen times. The depths for some of .the species, how^ever, were 

 different in localities not visited by the Challenger, as recorded in the general list. In 



