628 Ad. s. Jensen. 



XIV. Plain near Sncnæs, 

 76°49' N. lat. 19°25' W. long, 

 с a. 5 m above sea level. August 1906. 

 Astarte borealis Chemnitz. 

 9 shells, 18-5—33 mm. 

 Mya truncata L. 



4 shells, 32—53 mm, short or of medium lenght. 

 Saxicava arctica L. 



15 shells, 23 — 40 mm, some of an elongated ardica-form, others 

 as pholadis, medium thickness, some enormously thick. 



XV. Yoldia clay, nearly due north of Snenæs, 

 76°50' N. lat. 19°25' W. long, 

 ca. 30 — 40 m above sea level. 

 Yoldia arctica Gray var. portlandica Hitch. 



1 spec, and 3 shells, 9—11 mm, also some fragments. 

 Saxicava arctica L. 



Some fragments of medium sized specimens. 



XVI. Hvalsletten, 



ca. 76°55' N. lat. ca. 20°10' W. long. 



1. с a. 2 m above sea level. 

 Cardin m ciliatum Fabricius. 



2 shells of same specimen, much eroded, adult size (52 mm). 



2. — 10 m above sea level. 

 Modiolaria lœuigata Gray var. substriata Gray. 



2 shells of same individual, a small one. (Length 8 mm). 

 Astarte Banksii Leach. 



4 shells, 10—19 mm. 

 Astarte borealis Chemnitz. 



27 shells, 5-34 mm. 

 Cardium groenlandicum Chemnitz. 



1 shell of an adult specimen (69 mm) and 7 fragments (ca. 42 — 



60 mm). 

 Mya truncata L. 



14 shells, length 22—62 mm. Most are of a short form, either 

 var. uddeuallensis, or approaching this, but the two largest shells 

 (from one and the same indiл'idual) are of fairly elongated shape, 

 and belong, apparently (the hinder edge is broken off) to the 

 var. ouata. 



Saxicava arctica L. 



15 shells, 95 — 37 mm long, some of the arc/ica-form, others of 



