200 THE PTEROPODA 



Genus 2. Gleha Forskal. 

 Species 1. Gleha cordata Forskal. 



Auimals : 

 Mediterranean (Naples), 1904, 4 sp.. Dr. J. J. Tesch. 



Species 2. Gleba sp. 



Animals: 



Indian Ocean, (32° S., 52° E.), 1879, 2 sp., Kruisinga. 



Two specimens, belonging to Gleba, but unfortunately 

 severely damaged and deprived of their conchae, only 

 recognizable by their long proboscis and five indentations 

 on the margin of each fin. 



They measure about 20 mm. across the fins. 



A larva, within its shell, is to be referred to Gleba : 

 Mediterranean, date?, 1 sp., Buitendijk;. 



C. GYMNOSOMATA. 



Family I. Pneumodermatidab. 



Genus 1. Pneumodermopsis Bronn. 



Species 1. Pneumodermopsis sp. 



Larva : 



N. Atlantic Ocean (Gulf of Biscay), June '06, 1 sp., P. J. Buitendijk. 



A single specimen, in which the right gill is not yet 

 completely developed ; much contracted. Probably Pn. ciliata 

 Gegenbaur. Length only 2,5 mm. 



Genus 2. Pneumoderma Cuvier. 



Species 1. Pneumoderma violaceum (d'Orbiguy). 



Mediterranean (Naples), March 1904, 2 sp.. Dr. J. J. ïesch. 



Two specimens, in a very good state of preservation. 

 On each of the acetabuliferous appendages I counted 50 — 55 

 suckers, all small, and of about the same size mostly. 



Notes from the Leydeii ]Museuiii, "V^ol. X.X1X, 



