| Byrsophlebs graffi Jensen, 1878 | 1913 or earlier |  |  | beach water. | 
| Leptoplana tremellaris (Müller, 1773) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality.  Adult and young. | 
| Proporus venenosus (Schmidt, 1852) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality. | 
| Monoporus rubropunctata (O. Schmidt, 1852) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality. | 
| Convoluta paradoxa Ørsted, 1843 | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality. | 
| Promesostoma marmoratum (Schultze, 1851) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality. | 
| Promesostoma solea (Schmidt, 1857) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality. | 
| Promesostoma agile (Levinsen, 1879) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality. | 
| Byrsophlebs intermedia Graff, 1882 | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality.  low spring-tide.  Amongst algae. | 
| Byrsophlebs graffi Jensen, 1878 | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality.  low spring-tide.  Amongst algae. | 
| Acrorhynchus caledonicus (Claperede, 1861) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality. | 
| Macrorhynchus naegelii (Kölliker, 1845) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality.  (Claparedes variety with dorsal yellow streak). | 
| Provortex affinis (Jensen, 1878) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality.  Among algae on the north- and south-eastern faces of Drake's Island. | 
| Plagiostomum vittatum (Frey & Leuckart, 1847) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality. | 
| Vorticeros auriculatum (Müller, 1784) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality. | 
| Cylindrostoma quadrioculatum (Leuckart, 1847) | Aug-Sep 1892 |  |  | Drake's Island, north-eastern face of this locality.  Also on the S.E. face of the island. |