SYSTEMATIC WORK. 
Mamm. 45 
Goode (131a). On the Whales and Porpoises of the United 
States. 
Smets (296). General account of the Mystacocete Whales, i.e .., Balce- 
nidce , Megapteridce , and Balcenopteridce. 
Ryder (277). On the origin of the extra digits of Cetacea. 
Ryder (275) and (276). On the development of Cetacean mammary 
glands. 
Gervais (128). On the pelvic girdle of Cetacea. 
Cocks (66).’ Notes on the Fin Whale Fishery of the Norwegian 
Coasts. 
Southwell (298) Notes on the Whale Fishery of 1884. 
BAL$]NIDiE. 
Balcena. Beneden (34) on a small shoal of either B. biscayensis or B, 
cisarctica , captured on the coast of N. America. 
Balenoptera musculus: Delage (88) on the histology of the Baleen- 
plates; Guldberg (134) on its brain and spinal cord ; Beneden (33) on 
specimens caught near Ostend. B. rostrata : Beneden (35) on a specimen 
caught in the North Sea. B. borealis : Flow’ER (115), Guldberg (136), 
notes on the species. B. sibbaldii: Mobius (220), description and 
measurements of the skeleton. 
Megaptera boops : Pouchet (257), occurrence of this rare Whale on 
the coast of France. M. longimana : Struthers (302) on the hind limb ; 
(303) on the finger muscles. 
Plesiocetus brialmontii , p. 12, dubius , p. 21, hupschii , p. 29, and buriini , 
p. 35, spp. nn., Beneden (36), fossils from the neighbourhood of 
Antwerp; the author gives a very complete account of the various bones 
that have been discovered. 
Physeterid.®. 
Physeter macrocephalus. Pouchet (255), notes on its anatomy ; (256) 
on the histology of the teeth. 
Hyperoodon rostratus : Pouchet & Beauregard (258), note on its 
capture at Dunkerque. H. semijunctatus : True (325) proposed to trans¬ 
fer this species to the genus Ziphius. 
Mesoplodon bidens: Malms (201) on its osteology; Turner (330) on 
the anatomy and osteology. M. stejnegeri, sp. n., True (324), p. 585, 
from the Commander Islands. 
Dioplodon. Capellini (60) on certain species found in the Upper 
Tertiary of Italy. D. bononiensis, senensis, and laivleyi, spp. nn., Capel¬ 
lini (59), from Italy. 
SQUALODONTIDiE. 
Squcdodon, Probst (259) on remains of Squalodon . 
