152 EEPOET ON THE PELAGIC COPEPODA, ETC. 



PLATES XI AND XII. 



Illustrating Mr. G. C. Bourne's paper on The Pelagic Cope^oda 

 collected at Plymouth in 1888-89. 



PLATE XL 



Fig. 1. — Paracalanus parvus. Third swimming foot. 



Fig. 2.— Ibid, g . Fifth pair of feet. 



Fig. 3. — Ibid. <? . Second maxillipedes. 



Fig. 4. — Dias longiremis. $ . Fifth pair of feet. 



Fig. 5. — Ibid. Last thoracic and first two abdominal segments of $ showing the spines. 



Fig. 6.— Ibid. Furcal segments of (J . 



Fig. 7. — Oithona spinirostris. Maxilla. 



Fig. 8.— Ibid. Mandible. 



PLATE XIL 



Onctea Mediterranea. $ . 



Fig. 1. — First antenna. 



Fig. 2. — One of the swimming feet. 



Fig. 3. — Second maxillipede. 



Fig. 4,— Maxilla. 



Fig. 5. — Abdominal segments. 



Fig. 6. — First maxillipede. 



Fig. 7. — Second antenna. 



