A NEW SUBSPECIES OF (JROUND DOVE FROM MONA 

 ISLAND, PORTO RIOO. 



P..V .1. II. RiT.EY. 



Aid, Diriaimi iif IViriJx. 



Mr, P). S. Bowdish, while collectiiiii- for the United States National 

 Museum on iVIona Jshmd, Porto Rico, sent in three specimens (two 

 adult males and one adult female) of a ground dove that appear to 

 represent an undescrihed form. It may l)e known as: 



COLUMBIGALLINA PASSERINA EXIGUA new subspecies. 



Type. — Adult niale, Cat. No. 177211. U.S.N.M., Mona Island, l\)rto 

 Rico, August 1(1, 1001; B. S. Bowdish, Forehead, lores, sides of face, 

 throat, and a narrow line extending- l)ack over the eye light vinaceous; 

 crown, occiput, and cervix cinereous, each feather slightly edged with 

 plumbeous, giving the region a scaly appearance; back, rump, and 

 scapulars smoke gray; upper tail-coverts slightly darker than the 

 Ijack; feathers of jugulum blackish centrally, edged with vinaceous, 

 giving the region a scaly appearance; breast vinaceous; flanks mouse 

 gra}^; belly wliitish; under tail-i-overts l)r()wnish grav, each feather 

 edged with whitish; tail slate color at base, ))roadly l)anded with black 

 and slightly margined at the tip with mouse gray, the outer feather 

 margined with white at the tip; primaries and secondaries rufous, the 

 primaries margined on the outer web and tipped rather broadl}^ with 

 ))lackish, the rufous decreasing on the secondaries inwardly until it 

 becomes onl}' a basal spot on the inner web; tertials color of the back; 

 primary coverts rufous, broadly tipped with black; greater and lesser 

 coverts mouse gray; median coverts vinaceous; some of the greater 

 and median coverts with steel blue spots on the outer web; lining of 

 wing and a patch on sides rufous. Wing, 77; tail, 50.7; exposed cul- 

 men, 10.5; tarsus, 14; middle toe, 13.5 mm. 



Female. — Similar to female of C. }>. haJuimensls., but smaller. Wing, 

 75.5; tail, 53; exposed culmen, 10.5; tarsus, 1-1.5; middle toe, 13.5 mm. 



Remarks. — This form of ground dove needs comparison with no 

 West Indian form known to me, except C p. hahamensls and C. p. 



Proceedings U. S. National Museum, Vol. XXIX— No. 1418. 



171 



