LIMNEES 537 



Fig. 11(3. — Limnaea ova-t'a Drap. var. profunda Cless. [L. yungï 



Piaget). Prof. 140 m . 

 Fig. 117. — Limnaea ovata Drap. var. profunda Cless. [L. yungï 



Piaget var. voisine cVacella Piaget). Prof. 140 m . 

 Fig. 118-120. — Limnaea ovata Drap. var. profunda Cless. [L.. yungï 



Piaget). Prof. 140"'. 

 Fig. 121-122. — Limnaea ovata. Drap. var. profunda Cless. [L. yangi 



Piaget). Prof. 150 m . 

 Fig. 123. — Limnaea ovata Drap. var. profunda Cless. [L. yhngi 



Piaget var. intermedia Piaget). Prof. 150 m . 

 Fig. 124. — Limnaea ovata Drap. var. profunda Cless. [L. yungï 



Piaget var. humilis Piaget). Prof. 150 m . 

 Fig. 125. — Limnaea ovata Drap. var. profunda Cless. [L. yangi 



Piaget var. voisine d'acella Piaget). Prof. 180 m . 

 Fig. 126. — Limnaea ovata Drap. var. profunda Cless. (L. yungï 



Piaget). Prof. 200 m . 

 Fig. 127. — Limnaea ovata Drap. var. profunda Cless. (L. yungï 



Piaget var. humilis Piaget). Prof. 200" 1 . 

 Fig. 128. — Limnaea ovata Drap. var. profunda Cless. (L. yungï 



Piaget). Prof. 220 m . 

 Fig. 129. — Limnaea ovata Drap. var. profunda Cless. [L. yungï 



Piaget). Pi'of. 260 m . 

 Fig. 130. — Limnaea ovata Drap. var. profunda-melanotica [L. 



yungi Piaget). Prof. 260 m . 

 Fig. 131. — Limnaea ovata Drap. var. profunda-albinotica (L. yungï 



Piaget). Prof. 260 m . 

 Fig. 132. — Limnaea. ovata Drap. var. profunda Cless. [L. yungï 



Piaget var. acella Piaget). Prof. 260 m . 

 Fig. 133. — Limnaea ovata Drap. var. profunda. Cless. [L.. yungï 



Piaget var. acella Piaget). Prof. 280 m . 

 Fig. 134. — Limnaea ovata Drap. var. profunda Cless. [L. yungï 



Piaget var. humilis Piaget). Prof. 280"'. 

 Fig. 135. — Limnaea ovata. Drap. var. profunda Cless. [L. yungï 



Piaget). Prof. 280"'. 

 Fig. 130. - Limnaea ovata Drap. var. profunda-albinotica. Prof. 



2()()'". Apres 2 mois d'aquarium. 

 Fig. 137. — Limnaea ovata Drap. var. profunda-albinotica. Prof. 200'". 



Après 5 mois d'aquarium. 



