Puff-backed Bulbul

Here the details of the Puff-backed Bulbul named bird below:

SCI Name:  Brachypodius eutilotus
Protonym:  Brachypus eutilotus Ill.Orn.n.s. n.s., pt1 pl.3
Taxonomy:  Passeriformes / Pycnonotidae / Brachypodius
Taxonomy Code:  pubbul1
Type Locality:  Singapore.
Author:  Jardine & Selby
Publish Year:  1837
IUCN Status:  Near Threatened

DEFINITIONS

BRACHYPODIUS
(Pycnonotidae; Ϯ Black-headed Bulbul B. atriceps) Gr. βραχυς brakhus  short; ποδιον podion  little foot  < dim. πους pous, ποδος podos  foot; "the species has a good deal the character of an Alcippe  ...  excepting in its very small tarsi and toes" (Blyth 1845); "there remains that of Lanius melanocephalus, Gm., and its congeners, for which I can find no appellation, and shall therefore designate Brachypodius.  ...   Brachypodius, nobis.    1. Br. entilotus [sic], (Jardine and Selby), Ill. Orn., 2nd series. (Non vidi.) Hab. Malacca.   2. Br. poiocephalus, (Jerdon). Southern India.   3. Br. melanocephalus, (Gmelin): Turdoides atriceps, Temminck. Malay countries, extending northwards to Arracan and Tipperah.   4. Br. cinereoventris, Nobis.  ...  Inhabits Tipperah.   5. Br. tristis, nobis.  ...  inhabits Penang.  ...  6? Br.? criniger, A. Hay.  ...  Inhabits Malacca." (Blyth 1845); "Brachypodius Blyth, 1845, Journ. Asiat. Soc. Bengal, 14, p. 576. Type, by original designation, Lanius melanocephalos Gmelin [1788, Syst. Nat., 1, pt. 1, p. 309 ( not Lanius melanocephalos Gmelin 1788, Syst. Nat., 1, pt. 1, p. 301) = Turdus atriceps Temminck 1822]." (Deignan in Peters, 1960, IX, p. 227).
Synon. Brachypus, Micropus, Prosecusa.

eutilotus
Gr. ευ eu fine, good; πτιλωτος ptilōtos feathered, stuffed with feathers  < πτιλον ptilon  feather; “There is one peculiarity which is very striking, that of the form of the feathers closing the rump; in the genus ...there is a marked fulness and puffiness of the lower dorsal feathers, but in this bird they assume a regular form, the quills and webs being distinctly marked; they spring from the lower part of the back, are broad, full and soft, and, when pressed in the direction of the quills, may be felt slightly sharp” (Jardine & Selby 1837) (Euptilosus).