NOTES ON GLACIAL ACTION—HONEYMAN, 
CLASS GASTEROPODA, 
Fam. TRITONIDA. 
Halifax 
30. Dendronetus arboreseens, Ald. and Han. 
harbour. 
31. Kolis nana? Ald. and Han. Halifax harbour. (Verrill.) 
Fam. TROCHIDA. 
32. Margarita helicina, St. Halifax harbour. 
Fam. SCALARIDA. 
33. Scalaria gracenlandica, Sow. Halifax harbour. 
Fam. TURRITELLIDA. 
34. Turritella reticulata. Halifax harbour. 
35. T. acicula, St. Halifax harbour. 
Kam. CERITHID#. 
36. Apporhais occidentalis. Halifax harbour. 
Fam. VELUTINID. 
37. Velutina zonata, Gd. Halifax harbour. 
Fam. NATICID&. 
37°. Lunatia groenlandica. 
38. Natica clausa. Halifax harbour. 
Fam. PuURPURIDA. 
39. Buccinum undatum. 
40. Neptunea decemcostatus. Halifax harbour. 
Fam. CANCELLARID. 
41. Trichotropis borealis, Sow. Ualifax harbour. 
In this list of 42 we have 12 arctic and 30 boreal. 
worth’s Distribution Chart, vide Manual of Mollusca, Nova Scotia 
is included in the “ Boreal Region.” 
In Wood- 
These zoological observations are suggestive of certain geolo- 
gical and palentological investigations which I reported to the 
Institute in my Paper read Nov. 9, 1874, “A Month among the 
Geological Formations of New Brunswick.” 
Page 19 Extract. 
Trans. Vol. IV, 
