178 
Family—MELOSIRE. 
Melosiva nummuloides. Common in the Harbour, especially the Dock. 
»,  moniliformis: Scum from North Quay steps. 
»,  varians. Barrowmouth Wood. 
Family—COSCINODISCE AS. 
Coscinodiscus radiatus. Whitehaven Harbour. 
concinnus. Whitehaven Harbour. Very rare. 
35 ovalis. North Shore. 
Actinoptychus undulatus. From cone on the steam-tug’s tow rope. 
Family—EU PODISCE. 
Eupodiscus tenellus. North Shore, below the Ship-Building Yard. 
a Julous. From stomachs of Scallops. Obtained off St. Bees Head. 
Family—BIDDULPHIE. 
Cerataulus smithii. Off St. Bees Head. 
Biddulphia roperiana. Several places along the coast south of the harbour. 
25 aurita. 
a baileyi. Frequent in and about the Whitehaven Harbour, 
:} mobilensis. Frequent in and about the Whitehaven Harbour. 
Zygoceros surirella. In scum from side of North Pier. 
- rhombus. 
Family—ANGULIFEREE. 
Triceriatum favos. In dredgings taken outside Whitehaven Harbour. 
a tesselatum. North Shore. Rare. 
Es striolatum. North Harbour. Rare. 
Family—CH AX TOCERL#. 
Atheya decora. North Shore. Very abundant. 
Rhizosolenia styliformis. Floating in Whitehaven Harbour. 
Family—COCCONEIDEA. 
Cocconeis pediculus. Lowca Beck. 
»,  placentula. Harrington Beck, near Brewery. 
5,  excentrica. North Shore; Flimby Beck. 
Family—ACHNANTHE%. 
Achnanthidium lanceolatum. Ina trough behind Whitehaven Castle. 
“4 flexellum. Bransty ; Scale Force. 
Achnanthes achnanthidium. Tn scum from North Pier steps. 
% exilis, Brow near Parton. 
Er minutissina. Ina spout near Meadow House, Whitehaven, 
