1. Rhinophores & tubercles of O. muricata & A. proxima. From Alder & Hancock, as Doris aspera & Doris proxima. On animals of equal length, there are more lamellae on rhinophore of A. proxima than on O. muricata.
2. Rhinophores & tubercles of O. muricata & A. proxima. From Alder & Hancock, as Doris aspera & Doris proxima. On animals of equal length, there are more lamellae on rhinophore of A. proxima than on O. muricata.

Rhinophores & tubercles of O. muricata & A. proxima. From Alder & Hancock, as Doris aspera & Doris proxima. On animals of equal length, there are more lamellae on rhinophore of A. proxima than on O. muricata.