46 
MARINE FAUNA OF ST. ANDREWS. 
Lepralia reticulata , J. Macgillivray ; Busk, Catal. p. 66, 
pi. 90. f. 1, pi. 93. f. 1 & 2, pi. 102. f. 1. 
Not uncommon in the siphons and inside the mouth of 
Fusus antiquus , and also on Cardium echinatum from deep 
water. 
Lepralia concinna , Busk, Catal. p. 67, pi. 99. 
Very abundant on stones and shells from the coralline 
ground. A well-marked variety, with perforations round the 
cells, is not uncommon. 
Lepralia verrucosa , Esper; Busk, Catal. p. 68, pi. 87. f. 3 & 4, 
pi. 94. f. 6. 
Occurs rather abundantly on the roots of Laminaria digitata 
and on stones near low-water mark. 
Lepralia unicornis , Johnst.; Brit. Zooph. p. 320, pi. 57. f. 1. 
A common littoral species, everywhere abundant, and in 
large patches on the under surface of stones. The colours 
vary, probably in some cases from the ova. 
Lepralia spinifera , Johnst.; Busk, Catal. p. 69, pi. 76. f. 2 & 3. 
Very common on the under surface of stones near low- 
water mark. 
Lepralia trispinosa , Johnst.; Busk, Catal. p. 70, 
pi. 85. f. 1 & 2, pi. 98, pi. 102. f. 2. 
Abundant on stones and shells from the coralline zone. 
Lepralia coccinea , Abildgaard ; Busk, Catal. p. 70, pi. 88. 
On sandstone, shale, and laminarian roots from the East 
Rocks, and on shells from deep water. Also found by Prof. 
J. Reid. Rare as contrasted with its profusion on our south¬ 
ern shores. 
Lepralia linearis , Hassall; Busk, Catal. p. 71, pi. 89. f. 1-3. 
Common on shells and stones from deep water. 
