| Promesostoma marmoratum (Schultze, 1851) | Aug-Sep 1892 | | | Redding Point to northward under Mount Edgcumb Park. This area is prolific in littoral forms, the tide-pools and rocks being covered with a profusion of animal and vegetable life. P. marmoratum, Monotus fuscus, and M. lineatus are prevalent. |
| Monotus fusca (Ørsted, 1843) | Aug-Sep 1892 | | | Redding Point to northward under Mount Edgcumb Park. This area is prolific in littoral forms, tide-pools and rocks. Monotus fuscus, and M. lineatus are prevalent, abundant among the Ulva that covers the stones. |
| Monotus lineatus Müller, 1773 | Aug-Sep 1892 | | | Redding Point to northward under Mount Edgcumb Park. This area is prolific in littoral forms, tide-pools and rocks. Monotus fuscus, and M. lineatus are prevalent, abundant among the Ulva that covers the stones. |
| Stylostomum variabile Lang, 1884 | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. Young stages were found between tide-marks at Redding Point and round Mallard Buoy in September. |
| Convoluta paradoxa Ørsted, 1843 | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Aphanostoma elegans Jensen, 1878 | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. A single specimen amongst Ulva at Redding Point. |
| Microstomum groenlandicum Levinsen, 1879 | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. Among Ulva. |
| Promesostoma marmoratum (Schultze, 1851) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Promesostoma solea (Schmidt, 1857) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Acrorhynchus caledonicus (Claperede, 1861) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. Found in abundance among Fucus, Halydris, &c, in tide-pools near Picklecombe Fort and Redding Point; less commonly in Wembury Bay, |
| Macrorhynchus naegelii (Kölliker, 1845) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Hyporhynchus armatus (Jensen, 1878) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Provortex balticus (Schultze, 1851) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Plagiostomum vittatum (Frey & Leuckart, 1847) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Plagiostomum koreni Jensen, 1878 | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Plagiostomum sagitta (Uljanin, 1870) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Vorticeros auriculatum (Müller, 1784) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |
| Monotus fusca (Ørsted, 1843) | Aug-Sep 1892 | | | Redding Point to northwards. This area is prolific in littoral forms, tide-pools and rocks. |