124 



PNEUMONOBRANCHIATA. 



They deposit their eggs under ground ; these are 

 oblong, large, and covered with a thick elastic coat, 

 and burst when put into a warm place. 



17. 1. TESTACELLUS haliotideus. Ear-shaped Tes- 



tacelle. (t.3. fig. 19, 20.) Shell roundish-oval, 



with the outer lip dilated, and the pillar flat and 



broad, and scarcely reflected outwardly. 



Testacellus haliotideus. Ferussac, Hist. t. 8. f. 5. 



9. ; Sowerby, Gen. f. 1, 2. 

 Testacella haliotidea. Drap. t. 8. fig. 44, 45. 



scutulum. Sow. Gen. f. 3. 3. 



europaea. Roissy. Buff. v. 252. 



Gallise. Oken. 



Inhab. France ; naturalised in gardens. 

 Animal yellowish, reddish, or grey, sometimes 

 spotted on the sides beneath ; tentacles cylindrical. 



The shell is broad in proportion to its length, and 



the pillar, near the upper end, is broad and nearly flat. 



This animal is common in the island of Guernsey, 



where it was first observed in the garden of Mr. 



Lukis, in 1801. The late Mr. Sowerby afterwards 

 found it in a garden at Lambeth. When the animal 



