144 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1958 
A new incubator and brooding pens have been installed in the bird 
house. Intensive efforts are being made to incubate eggs laid at the 
Zoo. 
One of the signs that an animal is doing well in captivity is its 
ability to reproduce its kind and, as the following list shows, the num- 
ber of mammals, birds, and reptiles born in the National Zoological 
Park during the year is gratifying: 
MAMMALS 
Scientific name Common name Number 
A‘comys cahirinus.- 22-2222. 52st Egyptian spiny mouse___-_------ 5 
Ammotragus lervia_ 224) J. 22 ees Agudad 520i ae Je Us) os eee 4 
Anoa depressicornis___.------------- Anioaw. 9233.2 bs oe 1 
Aslan naludinosuss 228 ane oe eee Wiater'icivetss te =i ats eae 1 
Bibosqaurie £2 a2 Ui Orr 2 he ete Gaurs_ 2S th ee ee 
ee ie Highland cattle___________- 2 
Set On ere orem Gan a ena ae British, Park. cattle: =... 225-93 2e ee 
Cebus space Soa as Se eo eee Capuehin monkey _ = 222222 s2 422" 1 
Cercopithecus'cephus-2 22 2 oh ges 42 A Mustached guenon____-_______-- 1 
Cercopithecus neglectus__._..._-------- DeBrazza’s guenon |= = -— 2 -aveLe 1 
Cervus canadensie__2_ == ai. 22 ‘American’ elk 2i2 4. iscLe eee 1 
Gerpustelanhiuss cos eee eee Red deerc.4.._.2- =e 1 
Census nippona totes aoe eee Sika‘ deer. 22. ones Ieee 2 
Choloepus didactylus 2.22.22 = 222-2 Two-toed sloth:.2=.£.5. 2 +e2eeae a 
porate Oy ee fallow deer... {22..2.29242 1 
Teil re tgiet ks Ca er nate Col White fallow deer... - -2=- 22-24 274 
Equus burchelli boehmi___..---------- Grant's zebra.c. os ee i 
el esiCOTCOLON: fos et eee tne Mela Pumaens Ce Soe 2 ae eee 3 
Meesimardusian © es td eee ee Black leopard: 222... 2.222 ee 2 
CUISHLNCTG eR ote ce Oe tera e ene © sete Snow: leopard: = 2222-2 Sse 2 
Hylobates agilis X H. lar pileatus X H. Hybrid gibbon_______.__-_------ 1 
lar. 
Hypsiprymnodon moschatus__._------ Rat kangaroo.. =... 225 ee 2 
Hystrixgaleata stk Pe AMR Aes African porcupine... 2-222 -5ee— 2 
daculis Jaculis! le oP IR Jerboa 2322. Suu oe eee 4 
Lama glamas 29a Do TAs oe lama oes Lo eee 5 
TGIMG: DACOR Ls olla SUG Oe EES 8 Alpaca 3.2/5 (0), 18) ADA eee 1 
Macropus giganteus. 5252... boo Great gray kangaroo___---------- 1 
Macaca :sinicaut se 8 oe 212 hes hn ee aes Bonnet ‘macaques. <2 ..5- 22823 1 
Macaca syluanus: =. <2: soo sees e nk Barbary, apes... 225255 2 
INGSUG MOntchs ons oS ele Coatimundi oi 2 23.3205 eee 4 
Odocoilenus'virgenianus. = 9 2 fee Virginia deer: 222022 3 oe 1 
Taurotragusionye sist FO ACT bse ae Blandsit 2 OF oul 2! eee 1 
Thalarctos maritimus X Ursus midden- Hybrid bear (2d generation) -_-_-_-- 2 
dor ffi. 
Ussusihornibilie: 0 Sess Wee oe 2 Grizzly, bear. <- +...» 22 eee 2 
BIRDS 
Branta canadensigs2 ee et et Canada roose. 2.22 25). eee 4 
Columba linia 265. 32 A I As Homing pigeoni! 2.222 2222 eaeee 5 
Cyonus cpgrinest. 25. 2 lee ee Whooping swan: -2.Ui 12 :64_ehees 2 
Dendronessa galericulata.....-.------ Mandarin duck... 55-0-4.! =-Uiee® 18 
