LONDON
SOCIETY FOR PROMOTING CHRISTIAN KNOWLEDGE
NORTHUMBERLAND AVENUE, W.C.
43, QUEEN VICTORIA STREET, E.C.
BRIGHTON: 129, NORTH STREET
1915
PRINTED BY
WILLIAM CLOWES AND SONS, LIMITED,
LONDON AND BECCLES.
PAGE | |
Canon Horsley in his study examining a rare variety of whelk (var. Babylonica) from a stall in the Walworth Road. | Frontispiece. |
H. pomatia, half natural size | 11 |
Dextral H. aspersa and H. pomatia | 13 |
Love-darts of H. pomatia, much magnified | 15 |
H. nemoralis at rest on hawthorn | 17 |
Names of parts of shell and of body. Unio, Limnæa, Vivipara, and Arion | 22 |
Body of snail and of slug | 23 |
Three specimens of Arion ater, showing tentacles, breathing orifice, and slime gland | 31 |
Testacella haliotidea | 35 |
Helicella virgata at rest on thistle, natural size | 45 |
Some of our smaller shells | 47 |
Paludina contecta (two) and Limnæa stagnalis on water-weeds | 57 |
Neritina and Ancylus ... BU KİTABI OKUMAK İÇİN ÜYE OLUN VEYA GİRİŞ YAPIN!Sitemize Üyelik ÜCRETSİZDİR! |