234 A - S " PACKARD, Jn., ON THE GLACIAL PHENOMENA 



ered by similar revolving stria, ; but the first whorl is less contracted at the origin of the 

 canal and the canal itself is from half to two thirds the length of the first whorl while in 

 F_ tortnosus the canal nearly equals the length of the whorl. In this respect it approaches 

 F»sry Wm «us Gould from winch it is distinguished by its size, the greater convexity ofk 

 whorls, and the deeply impressed revolving lines. J 



In severe [specimens of Fusus islandicus from Eastport, Me., I find that the length ™H 

 tortuosity of the canal is subject to considerable variation. Of two spec mem £d to 

 gether a low-water mark, one had a short and nearly straight canal while n th e her t" 

 was much elongated and twisted. Hence before separating our foss 1 species from ^ Lr 

 tuosus Eeeve, more of the recent shells are desirable * 



This was a frequent shell in the gravel deposit on Caribou Island, and large specimens 

 measured nearly three inches in length. & specimens 



Trkhotropis horeaUs Sowb. et Brod. Not uncommon at Hopedale and Caribou Island 

 Spirorhs gbmerata Mull. Occurred as usual on shells at Caribou Island 

 &. vitrea Stimps. Only young and flattened specimens occurred 



Spmhceiopterus iypus Sars, Fauna littoralis, ii. Fragments of tubes belong apparentlv 

 to this worm were found fossil at Caribou Island & & apparently 



BaUnus porcatus Da Costa. Numerous fragments occurred at Caribou Island and Hope- 



dale. 



In the above list occur several forms of great interest which have not been found fossil 

 elsewhere, or m no such profusion, and seem to be perhaps characteristic of Hiis W "nd 



s^£r&f" m * is area oi in Aretic A — - ~2£ 



Cardtia horealis, Ap0)rh(ds oceidentalis , BeU 



Astarie Banhu, Admde viriduh} ^ 



Margartia vancosa, Bela exaratch ^ ^J^ 



lurritella reticulata, Bel a Wood! mm r> • ■,, 



ulrrzs pt/tr s pt;i o ifr:r co r sed in , the ^ *-* - **> 



how percistenfly the oh ara ZTJ Z TeX oTTe Z 1 "* -^T ^ "* 



changes this region has undergone since 1 e ' h c k, ™I w 7"™"? tlle ' m P° rtant 

 Syrtensian fauna in its purity will J^thc L. » ' r , ", W here the P resent 

 have subsequently encJehe/uro H in* W I »U T ^r^'" ft "' mS ' that 

 imperceptibly into the Aea.lian I Z „T, ! ° W sh ° w where " shaded "Imost 



deLmin'eits'Jsttrtttb^,: ' "' eSt S ° l " hem nCighb0 '' ; b "< ""^hayeto 



feJfoTwStro^nt rZC **"-«?;- **' ■»« notice,, ,be 

 which is here giyen. Quaternary clays of Southern Greenland, a list of 



hLSXX a?? JSl* 08 " - ' r tt Ri " L •"""■ s "* »"/-• «*—* .»«, „ ,«. xt, ,„«,, «„ 



