NO. 1347. 



FRESH-WATER 0STRAC0DA-8HARPE. IQOl 



EXPLANATION OF PLATES. 

 Pl-ATE LXI\'. 



FiL^ 1 



Chlamijdotheca mexicana, new species, lateral view. 

 2. Cfilamydotheca mexicana, new species, dorsal view. 

 8. Chlamydolhem mexicana, new species, first foot. 



4. Chlami/dotheca mexicana, new species, terminal segments ..f .second foot. 



5. < 'hlunn/dotheca mexicana, new apetdes, furca. 



6. Chlami/dotheca mexicana, new species, spines of (irst maxillary process. 



Plate LXV. 



Fig. 1. Herpetocyprh reptans Baird, lateral view. 



2. Herpetocyjms reptaiis Baird, dorsal view. 



3. Herpetocypm reptans Baird, terminal segment of second foot. 

 ■i. Herpetocypris reptans Baird, furca. 



5. Potamocypris {Cypridopsis) smaragdlna (Vavra), dorsal view. 

 (5. Fotamocypris {Cypridopsis) smaragdina (Vavra), lateral view. 



7. Potamocypris {Cypridopsis) smaragdina (Vavra), furca. 



Plate LXVL 



Fig. 1. Spirocypris 2}assuiea, new species, lateral view. 



2. tSpiroeypris passaica, new species, dorsal view. 



3. Spirocypris passaica, new species, furca. 



4. Cypris virens (Jurine), lateral view. 



5. Cypris vireiis (Jurine), dorsal view. 



6. Cypris virens (Jurine), furca. 



Plate LXVII. 



Fig. 1. Cypris pubera O. F. Midler, lateral view. 



2. Cypris pubera O. F. Miiller, lower posterior part of right shell. 



3. Cyprispahera 0. F. Miiller, third, fourth, andfifthsegmentsof second autcima. 



4. Cypris pubera 0. F. Miiller, firstfoot. 



5. Cypris pidjera O. F. Miiller, terminal segments of second foot. 



6. Cypris pmbera O. F. Miiller, furca. 



Plate LXVIH. 



Fig. 1. Cyjiris 2)elluc/ida Sharpe, lateral view. 



2. Cypris pellucida Sharpe, dorsal view. 



3. Cypris pellucida. Sharpe, lower outer anterior margin of right shell. 



4. Cypris pellucida Sharpe, inner anterior margin of left shell. 



5. Cypris pellucida Sharpe, furca. 



6. Cypria exsculptu Hscher, lateral view. 



7. Cypria exsculpta Fischer, dorsal view. 



8. Cypria exsculpta Fischer, portion of sliell showing parallel and anastomo.sing 



lines. 



9. Cypria exsculpta Fischer, furca. 



Plate LXIX. 



Fig. 1. Chlamydotheca azteca Saussure, lateral view. 



2. Chlamydotheca azteca Saussure, first foot, showing two seta- on its s .n<l 



segment. 



3. Chlamydotheca, azteca Saussure, dorsal view. 



4. Chlami/dotheca azteca Sai^sswro, furca. 



