K Dixon 1952 Catalogue 3 mi. ESE Del Valle, 300 ft., Travis Co., Texas February 11 709 ♂ testis 6 mm. Parus atricristatus no fat 20.6 710 ♂ testis 3 mm Parus bicolor " " } ovary mated 2 711 ♀ 5mm " " } pair 20.5 4 712 ♂ Parus atricristatus 20.1 713 ♂ testis 1 mm Geothlypis trichas slight fat 10.2 714 ♂ Polioptila caerulea slight fat pick-up 5.9 715 ♂ testis 1.5mm Melospiza melodia slight fat (bill malformed) 22.3 716 ♀ ovary 7x7mm Centurus carolinus no fat 64.5 2½ mi. NW Cedar Creek, ±500 ft., Bastrop Co., Texas February 12 717 Thamnophis pick-up 7 mi. NW Bastrop, 300 ft., Bastrop Co., Texas February 12, ☑ 718 ♂ testis 5mm Parus bicolor no fat } mated 21.9 719 ♀ largest ovum 1.5mm " " " " 19.6 720 ♀ largest ovum 1mm, " " " singing 20.2 721 ♀ ovary 7x7mm. Centurus carolinus not fat } Mated 73.6 722 ♂ testis 4 mm " " " } 78.7 723 ♀ ovary 8mm Cyanocitta cristata no fat 88.4 3 mi. ESE Del Valle, 400 ft., Travis Co., Texas February 13 724 ♂ inm Parus atricristatus testis 4mm nofat 19.2 725 ♀ ovary largest ovum 2 mm. " slight fat } max 19.4 726 ♂ testis 5.6mm Parus bicolor no fat } ed 23.4