Bibliographical Notices. 325 



XLI. — Description of a new Fish of the Genus Dantex 

 from the Coast of Angola. By C. Tate RegAN, B.A. 



Dentex Cuninghamii. 



Depth of body 21 in the lenf;th, length of liead 3. Snout 

 scarcely longer than eye, the diameter of which is 3^ in the 

 length of head and 1^ in the interoibital width. Depth of 

 praeorbital ^ the dianaetor o£ eye. Maxillary nearly reaching 

 tiie vertical from anterior margin of eye ; canines rather weak, 

 3 or 4 on each side in the upper jaw, 5 or 6 on each side in 

 the lower. Cheek with 6 series of scales. 10 gill-rakers on 

 the lower part of the anterior arch. Scales 60 j^. Dorsal 

 XII 10, the spines slender, the fourth and fifth the longest, 

 equal to \ the depth of body; soft rays as long as the eye. 

 Anal III 10, the third spine a little longer than the second, 

 as long as the eye. Pectoral 1| the length of head, ex- 

 tending to above the third soft ray of anal ; ventrals extending 

 to the vent. Caudal widely forked. Olivaceous above, 

 silvery below ; each scale of the upper and posterior parts of 

 the body appears to be reddish at the base and blackish at 

 the edge. 



A single specimen, 220 mm. in total length, from the coast 

 of Angola, collected and presented to the British Museum by 

 R. J. Cuninghame, Esq. 



BIBLIOGRAPHICAL NOTICES. 

 Two Cytological Worlcs. 



MoTTXER (David 31.). Feciuidation in Plants. "Washington (Car- 

 negie lastitution), 1904. 8vo. Pp. viii, 187. 69 figs, in text. 



Fergusox (^Margaret C). Contributions to the Knoivledge of the 

 Life-history of Piaus, ivitli Special Reference to Sporogencsis, the 

 Development of the Gametophgtes, and Fertilization. Washington, 

 Proc. W. Acad. Sc. vol. vi. pp. 1-202, pis. i.-xxiv. [i. e. pp. 1- 

 154, 156-202 verso only, facing plates]. 



The extreme interest and importance of the subject of these two 

 works have created a copious literature and incited manj' workers 

 in the field of research. Dr. ilottier has performed a useful task 

 in presenting a digest of the subject, chiefly dealing with the 

 Cryptogams and G5'mnosperms, the Angiosperms being dismissed in 

 a dozen pages. The subjects of the seven chapters will give a clue 

 to the scheme of treatment ; they are as follows : — 1. Introduction, 

 in which nuclear division is explained and illustrated ; 2. Fecunda- 

 tion bj- motile isogametes, 3. bj- non-motile isogametes, 4. by hetero- 

 gametes ; 5. Ascomycetes and Rhodophyceae ; 6. Archigoniata;: and 

 7. Angiosperms. 



