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TABLE OF CONTENTS.
XVII
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Genus 37. Thalurania Gould 530 Key to the Species and Subspecies of Thalurania 531 114. Thalurania colombica (Bourcier) 532 115. Thalurania colombica venusta (Gould) 534 116. Thalurania townsendi Ridgway 536 117. Thalurania ridgwayi Nelson 537 Genus 38. Lepidopyga Reichenbach 537 Key to the Species of Lepidopyga 538 118. Lepidopyga cæruleogularis (Gould) 539 119. Lepidopyga boucardi (Mulsant) 541 Genus 39. Riccordia Reichenbach 542 Key to the Species and Subspecies of Riccordia 542 120. Riccordia ricordii ricordii (Gervais) 543 121. Riccordia ricordii æneoviridis (Palmer and Riley) 544 122. Riccordia swainsonii (Lesson) 546 Genus 40. Chlorostilbon Gould 547 Key to the Species and Subspecies of Chlorostilbon 548 123. Chlorostilbon maugæi (Vieillot) 550 124. Chlorostilbon auriceps (Gould) 551 125. Chlorostilbon forficatus Ridgway 552 126. Chlorostilbon canivetii canivetii (Lesson) 553 127. Chlorostilbon canivetii osberti (Gould) 556 128. Chlorostilbon canivetii salvini (Gould) 557 129. Chlorostilbon assimilis Lawrence 558 130. Chlorostilbon caribaeus Lawrence 559 Genus 41. Heliothryx Boie 561 131. Heliothryx barroti (Bourcier and Mulsant) 562 Genus 42. Eugenes Gould 564 Key to the Species of Eugenes 565 132. Eugenes fulgens (Swainson) 565 133. Eugenes spectabilis (Lawrence) 568 Genus 43. Heliodoxa Gould 570 Key to the Species and Subspecies of Heliodoxa 571 134. Heliodoxa jacula henryi (Lawrence) 572 Genus 44. Florisuga Bonaparte 575 135. Florisuga mellivora (Linnæus) 576 Genus 45. Microchera Gould 580 Key to the Species of Microchera 581 136. Microchera albocoronata (Lawrence) 581 137. Microchera parvirostris (Lawrence) 582 Genus 46. Mellisuga Brisson 583 Key to the Species of Mellisuga 584 138. Mellisuga minima (Linnæus) 584 139. Mellisuga catharinæ (Sallé) 586 Genus 47. Stellula Gould 587 140. Stellula calliope (Gould) 588 Genus 48. Atthis Reichenbach 591 141. Atthis heloisa heloisa (Lesson and Delattre) 592 142. Atthis heloisa ellioti (Ridgway) 594 143. Atthis heloisa morcomi (Ridgway) 595 Genus 49. Selasphorus Swainson 595 Key to the Species of Selasphorus 596 144. Selasphorus platycercus (Swainson) 597 145. Selasphorus flammula Salvin 601
81255°— Bull. 50—11——II
