THE society's NOTE-BOOKS. 269 



Plate XXII. 

 Fig. 1. — Feather of Ostrich, with Eggs of Parasite, in sitio. 



Drawn by R. H. Moore. 



[No notes appeared in connection with this drawing. — Ed. 



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2. — Sting and Poison-gland of Bee {Meleda j^unctata) : sh., 

 sheath ; b., barbs ; /. , the " stops" which control the barbs 

 by preventing them from being pushed out too far ; s.f. , the 

 bend where the ''stops" are arrested ; pa., palpi ; sp., spi- 

 racle (?) ; iJ.g., poison-gland; 2).d.y termination of duct of 

 poison-gland, x 16 diam. 



3. — Tip of one of the barbs. 

 4. — Spiracle (?), x 63 diam. 

 5. — Mouth of Meleda imnctata; the labrum and mandibles are 



removed : mx., maxilhie ; m.p., maxillary palpi ; la., labium ; 



I. p. , labial palpi ; pr. , paraglossie ; mt. , mentum ; cr. , cardo 



or hinge ; p/i. , pharynx. 

 6. — Tips of the labia of various Bees, showing different forms of 



spoons : — 



a. Meleda pundata, as Fig. 5, viewed sideways. 



h. Cuckoo-Bee, Nomada. 



c. Carder-Bee, Bombus muscorum, viewed sideways. 



d. Burrowing Bee, Anthoplwra retusa, on which Melecta is 

 parasitic. 



e. Common Hive-Bee, neuter, Apis mellifica, probably a 

 Ligurian. 



Drawn by H. M. J. Underhill. 



Plate XXIII. Upper Portion. 



Fig. 1.— Trophi of Ferret Tick, x 200 diam. 

 ,, 2. — ,, Hare tick, x 200 diam. 

 ,, 3. — Foot of Hare Tick ; first limb of the left side. 

 ,,4. — ,, ,, third limb of the left side. 



The much larger size of this portion of the first limb will be 

 noticed ; the feet of the second, third, and fourth limbs agree in size. 



Drawn by Tuffen West. 



Lower Portion. 

 Probosces of the Blow-Fly and of Drone-Fly compared. 

 Fig. 1. — Head of Blow-Fly, side view. 

 ,, 2. — Lobes of Proboscis of ditto, front view. 

 ,,3. — ,, ,, of Drone-Fly, front view. 



,, 4. — Maxilla and palpus of ditto. The lowest shaded portion is 

 internal, and is homologous with the apodemes of the Blow- 

 Fly. 



