I. '08. 



187 



Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 



Fig. 

 Fig. 

 Fig. 



Plate XIII. 



Hippolyte varians. Leach. 



1. — Lateral view of a female, 



2. — Mandible, 



3. — First maxilla, 



4. — Second maxilla, 



5. — First maxillipede, 



6. — Second maxillipede, ... 



7. — Outline of antennal scale, 



Hippolyte prideauxiana, Leach. 



8. — Outline of antennal scale, 

 9. -^Lateral view of a female, 

 10. — Rostrum of another specimen, 



X 



8. 



X 



25. 



X 



25. 



X 



25. 



X 



25. 



X 



25. 



X 



9-5 



X 



7. 



X 



5. 



X 



8. 



Plate XIV. 



Spirontocaris spinus (Sowerby). 

 B'ig. 9. — Lateral view of the Irish specimen, 



Fig 

 Fig 

 Fig 

 Fig 

 Fig 

 Fig 

 Fig 

 Fig 

 Fiff 



Spirontocaris spinus var. Lilljehorgi (Danielssen). 



1. — Lateral view of the Irish specimen, 

 3. — Rostrum of another specimen, 

 4. — Second pereiopod, 

 5. — Outline of antennal scale, 

 6. — Mandible, 

 7. — First maxilla, 

 8. — Second maxilla, 

 9. — First maxillipede, 

 10. — Second maxillipede, ... ... 



Plate XV. 



i . 



X 



7-5 



X 



6-5 



X 



7-5 



X 



10. 



X 



20. 



X 



20. 



X 



20. 



X 



20. 



X 20. 



Fig 

 Fig 

 Fig 

 Fig 

 Fig 



Fig. 

 Fig. 

 Fig. 



Fig. 

 Fig. 

 Fig. 



Fig. 

 Fig. 



Spirontocaris Cranchi (Leach). 



I. — Endopod of first pleopod of a young male, 

 2". — First pleopod of a female, 

 3. — Rostrum, typical form, 

 4. — Rostrum, abnormal form, 

 5. — Second pereiopod, 



Sinrontocaris pusiola (Kroyer). 



6. — Lateral view of a female, ... 



7. — Endopod of first pleopod of an adult male, 



8. — First pleopod of a female, 



Plate XVI. 



Caj'idion Gordoni, Spence Bate. 



1. — Lateral view of an ovigerous female, 



2, — Rostrum of a specimen 21 mm. in length, 



/ V Rostra of two smaller specimens, .... 



5.— Outline of antennal scale, ... ... 



X 



48 



X 



17 



X 



11 



X 



11 



... V 



7 



... /^ 



6 



X 



33 



X 



19 



X 5-5. 



X 8-5. 



X 8-5. 



X 16-5 



