TABLE OF CONTENTS. 
Genus 37. Thalurania Gould......... 
Key to the Species and Subspecies of Thalurania...........-......2..--..--- 
114. Thalurania colombica (Bourcier).........2.....2.0..000 200200 e ee eee 
115. Thalurania colombica venusta (Gould).......-..2.2.-2.22-202--005- 
116. Thalurania townsendi Ridgway........-.-2.22.2. 2.20.0 ee ee eee eee 
117. Thalurania ridgwayi Nelson. 
Genus 38. Lepidopyga Reichenbach...........-.-2-..-2-2.-2-22-22-2--2--- 
Key to the Species of Lepidopyga. . .. 
118. Lepidopyga ceeruleogularis (Gould)............2.2.22-2-2-2-22-2--4- 
119. Lepidopyga boucardi (Mulsant)..........-.22.2.2.. 2.2222 e eee eee eee 
Genus 39. Riccordia Reichenbach. - - 
Key to the Species and Subspecies of Riccordia...........2.2-2.2222220-2-4- 
120. Riccordia ricordii ricordii (G 
CVVAIS )ecuisis ewageis vdeo’ ccsz fe sdedeeleutis 225 
121. Riccordia ricordii eneoviridis (Palmer and Riley)................... 
122. Riccordia swainsonii (Lesson 
Genus 40. Chlorostilbon Gould........ 
Key to the Species and Subspecies of 
Dieeah ananusncd ic unacenaete a oes 
Chlorostilbon. .............2.2.22222-- 
123. Chlorostilbon maugei (Vieillot)............0...0.22.-.2002 022 e ee 
124. Chlorostilbon auriceps (Gould)......-........2.-2-2- 222222020 eee eee 
125. Chlorostilbon forficatus Ridgway.......-...--2----2.--2.--0-00--00ee 
126. Chlorostilbon canivetii caniv 
etii (Lesson)..........2.....-20-0e eee 
127. Chlorostilbon canivetii osberti (Gould)................2..0---2--0-- 
128. Chlorostilbon canivetii salvini (Gould)...........---2-2-2---.-2---- 
129. Chlorostilbon assimilis Lawrence..............-....-22-22222--220-- 
180. Chlorostilbon caribeeus Lawrence...................2.2.-22.----20-- 
Genus 41. Heliothryx Boie........... 
131. Heliothryx barroti (Bourcier and Melsant).........-.-.-.....2----.- 
Genus 42. Eugenes Gould............. 
Key to the Species of Eugenes....... 
132. Eugenes fulgens (Swainson). 
133. Eugenes spectabilis (Lawrence)............--.---2-2-22-2222-22220- 
Genus 43. Heliodoxa Gould........... 
Key to the Species and Subspecies of Heliodoxa...-.............2--.-222..-- 
134. Heliodoxa jacula henryi (Lawrence).............-...22-22-2----0-- 
Genus 44. Florisuga Bonaparte....... 
135. Florisuga mellivora (Linneus)..............2.2.222-222- 2222 eee eee ee 
Genus 45. Microchera Gould......... 
Key to the Species of Microchera..... 
186. Microchera albocoronata (Lawrence)...-...---.--.- deltas aaa areas 
137. Microchera parvirostris (Lawrence) ......-.---..--.-.--2---2-22222-- 
Genus 46. Mellisuga Brisson.......... 
Key to the Species of Mellisuga....-. 
138. Mellisuga minima (Linnzeus) 
139. Mellisuga catharine (Sallé).. 
Genus 47. Stellula Gould............ 
140. Stellula calliope (Gould).... 
Genus 48. Atthis Reichenbach... ... 
141. Atthis heloisa heloisa (Lesson and Delattre)..................------ 
142. Atthis heloisa ellioti (Ridgway).....-..-..--..-.----2--2--22-e2e-e 
143. Atthis heloisa morcomi (Ridgway).-......----------------0--2+++-++- 
Genus 49. Selasphorus Swainson-..... 
Key to the Species of Selasphorus.............-..2-0-20022 eee eee eee eee ee eee 
144. Selasphorus platycercus (Swainson)..-......-...--..-2-22-2220-2---5- 
145. Selasphorus flammula Salvin 
81255°—Bull. 50—11——11 
