Cheeseman. — On the Mollusca of Auckland Isthmus. 175 



Chamidge. 



213. Chamostrea albida, Lam. Affixed to rocks near low water- 



mark. Scarce. 



Lucinidae, 



214. Lucina dentata, Wood. Sometimes picked up after gales. 



Ungulinidse. 



215. Mijsia zealandica. Gray. ] Mud-banks at or below low 



216. M. striata, Button. ) water-mark. 



Erycinidae. 



217. Kellia citrina, Hutton. In crevices of rocks between tide- 



marks. Tamaki Heads. 



218. Pijthina stowei, Hutton. Dredged in Eangitoto Channel. 



Solemyidse. 



219. Solemya i^arkmsonii, Sm, Often washed up after easterly 



gales, and a few living specimens have been found buried 

 in mud near low water-mark. 



Carditidse. 



220. Cardita australis, Lam, Not common. 



221. C. compressa, Eeeve. Can be dredged in abundance in the 



deeper parts of the harbour. 



Unionidae, 



222. Unio menziesii, Gray. Lake Takapuna and St. John's 



Lake ; abundant. 



223. V. depcacperatus, Hutton. Lake Takapuna, Hutton. I 



am not acquainted with this species. 



Nuculidae. 



224. Niicula nitidula, Adams. Muddy places below low water- 



mark ; plentiful. 



225. N. lacimosa, Hutton. With the preceding, and equally 



plentiful. 



226. Solenella australis, Quoy et Gaim. A single living specimen 



dredged in Eangitoto Channel. 



Arcidse. 



227. Area decicssata. Sow. Eangitoto Eeef, near low water-mark. 



228. Pectunculiis laticostatus, Quoy et Gaim. Eeef off Lake 



Takapuna, near low water-mark. 



229. P. striatularis, Lam. Dead shells are occasionally washed 



up. 



