How to know the spiders pictured-keys for determining the more common spiders, with suggestions for collecting and studying them QL457.1 .K
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Cyhoeddwyd: |
Dubuque
W. C. Brown Publishers
[1953].
|
| Rhifyn: | 1st ed. |
| Pynciau: |